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Chicago Dial Indicator

American Made Precision Measuring Products Since 1932

Parts common to all Group 1 Indicators
Parts not common to all Group 1 Indicators
Parts common to all Group 2 Indicators
Parts not common to all Group 2 Indicators
Special Parts to all Group 2 Indicators
Parts common to all Group 3 Indicators
Parts Not Common to all Group 3-4 indicators
Parts Common to all Group 4 indicators
Parts Common to all Extra Long Range Group Sizes 2,3, & 4 indicators
Parts for Group 2(2-1/4"DIA.) 2"Range
Parts for Group 3(2-3/4"DIA.) 2"-3"-4"-5"Range
Parts for Group 4(3-5/8"DIA.) 2"-3"-4"-5"Range
Parts for Models 60100B1 and 60100C1

Parts common to all Group 1 indicators:

DESCRIPTION EDP# PRICE
ASSY, PINION BRIDGE W/JEWEL A22530-12 $20.25
ASSY, PINION BRIDGE A22530 $10.46
ASSY, BEZEL W/CRYSTAL A125717 $16.79
BEZEL A12573 $13.56
CASE A12514TR-.62S $35.00
CRYSTAL A12517 $4.15
ASSY, TAKE UP GEAR A12523 $19.72
HAND A12525 $4.15
O RING A12562 $8.05
PIN, RACK GUIDE A12533 $3.89
SCREW, MOVEMENT A12548 $2.28
SCREW, BRIDGE A12551A $4.19
SLIDE, RACK A12552 $5.37
SPRING, FLAT DIAL A12553 $4.15
SPRING, GEAR RETURN A12555 $7.16
SPRING, RACK RETURN A12556 $4.15
WASHER, PINION GEAR A22534W $3.86
WASHER, BEZEL LOCK A225601 $5.37
SCREW, BEZEL LOCK A22561 $6.94
DIAL, BOTTOM SPEC. MODEL $8.18
DIAL, TOP SPEC. MODEL $8.18






Parts not common to all Group 1 indicators:

  Range .250" Range .125"
DESCRIPTION EDP# PRICE EDP# PRICE
ASSY, INTERMEDIATE GEAR N/A   A11220 $22.98
ASSY, RACK GEAR A12521 $22.98 A11221 $22.98
ASSY, MOVEMENT/JEWELED A23106 $101.03 A23108 $109.67
ASSY, MOVEMENT/PLAIN A23006 $69.01 A23008 $77.28
GEAR, PINION A12534 $15.01 A12534 $15.01
ASSY, JEWELED BOTTOM PLATE A23506 $44.36 A23508 $51.00
ASSY, PLAIN BOTTOM PLATE A23606 $24.65 A23608 $30.01
ASSY, JEWELED TOP PLATE A23706 $34.49 A23708 $39.98
ASSY, PLAIN TOP PLATE A23806 $14.79 A23808 $22.98
RACK A14325 $20.71 A14312 $20.71



  Range .100" Range .075"
DESCRIPTION EDP# PRICE EDP# PRICE
ASSY, INTERMEDIATE GEAR A11020 $22.98 A11020 $22.98
ASSY, RACK GEAR A11221 $22.98 A10521 $24.65
ASSY, MOVEMENT/JEWELED A23109 $109.67 A23111 $109.67
ASSY, MOVEMENT/PLAIN A23009 $77.28 A23011 $77.28
GEAR, PINION A12534 $15.01 A10734 $17.02
ASSY, JEWELED BOTTOM PLATE A23509 $51.00 A23511 $51.00
ASSY, PLAIN BOTTOM PLATE A23609 $30.01 A23611 $30.01
ASSY, JEWELED TOP PLATE A23709 $39.88 A23711 $39.88
ASSY, PLAIN TOP PLATE A23809 $22.98 A23811 $22.99
RACK A14310 $20.71 A14307 $20.71



  Range .025" Range .050"
DESCRIPTION EDP# PRICE EDP# PRICE
ASSY, INTERMEDIATE GEAR A10220 $45.14 A10520 $24.65
ASSY, RACK GEAR A10521 $24.65 A10521 $24.65
ASSY, MOVEMENT/JEWELED A23114 $137.00 A23113 $118.95
ASSY, MOVEMENT/PLAIN A23014 $105.19 A23013 $86.92
GEAR, PINION A10734 $17.02 A10734 $17.02
ASSY, JEWELED BOTTOM PLATE A23514 $59.37 A23513 $54.21
ASSY, PLAIN BOTTOM PLATE A23614 $39.88 A23613 $34.49
ASSY, JEWELED TOP PLATE A23714 $51.51 A23713 $45.37
ASSY, PLAIN TOP PLATE A23814 $30.97 A23813 $24.65
RACK A14302 $28.09 A14305 $25.77






Parts common to all Group 2 indicators:

DESCRIPTION EDP# PRICE
ASSY, PINION BRIDGE W/JEWEL A22530-12 $20.25
ASSY, PINION BRIDGE A22530 $10.46
BEZEL A22573 $13.56
BEZEL W/CRYSTAL A225717 $17.70
BEZEL LOCK SCREW A22561 $6.94
BUSHING, STEM A22510 $4.14
CASE A22514TR-.72S $32.81
CRYSTAL A22517 $4.15
ASSY, TAKE UP GEAR A22523 $19.72
HAND A22525 $4.68
HAND, R.C. A22526 $4.14
INSERT, JEWEL LARGE A22527 $11.11
INSERT, JEWEL SMALL A22528 $10.31
O RING, TEFLON BEZEL A22562 $8.05
PIN, HAIRSPRING A22532 $6.63
PIN, RACK GUIDE A22533 $4.14
PINION, 10 TOOTH A22534 $20.25
SCREW, BACK A22544 $2.69
SCREW, RACK STOP A22547 $1.68
SCREW, MOVEMENT A22548 $2.69
SCREW, RACK SLIDE A22550 $2.90
SCREW, BRIDGE A22551 $2.69
SLIDE, RACK A2100052 $5.37
SPRING, DIAL A22553 $4.43
SPRING, GEAR RETURN A22555 $6.40
SPRING, RACK RETURN A22556 $4.14
STUD, RACK SPRING A22557 $4.14
WASHER, PINION GEAR A22534W $3.86
WASHER, BEZEL LOCK A225601 $5.37
DIAL, BOTTOM SPEC. MODEL $9.64
DIAL, TOP SPEC. MODEL $9.64






Parts not common to all Group 2 indicators:

  Range .250" Range .500"
DESCRIPTION EDP# PRICE EDP# PRICE
CAP, DUST A225131 $6.41 A250131 $7.16
ASSY, INTERMEDIATE GEAR N/A   N/A  
ASSY, RACK GEAR A22521 $22.62 N/A  
ASSY, RACK GEAR W/R.C. N/A   A22522 $27.90
HAND, R.C. N/A   A22526 $4.14
ASSY, MOVEMENT/JEWELED A23125 $93.19 A2311.0 $99.36
ASSY, MOVEMENT/PLAIN A23025 $69.01 A2301.0 $87.04
ASSY, JEWELED BOTTOM PLATE A23503 $55.45 A23503 $55.45
ASSY, PLAIN BOTTOM PLATE A23625 $35.29 A23625 $35.29
ASSY, JEWELED TOP PLATE A23725 $45.13 A23725 $45.13
ASSY, PLAIN TOP PLATE A23825 $20.72 A23825 $20.72
RACK A24325 $20.71 A24350 $36.13



  Range 1.00" Range .125"
DESCRIPTION EDP# PRICE EDP# PRICE
CAP, DUST A21.0131 $7.16 A225131 $6.41
ASSY, INTERMEDIATE GEAR N/A   A21220 $22.62
ASSY, RACK GEAR N/A   A21221 $22.62
ASSY, RACK GEAR W/R.C. A22522 $27.90 N/A  
HAND, R.C. A22526 $4.14 N/A  
ASSY, MOVEMENT/JEWELED A2311.0 $99.36 A23112 $93.19
ASSY, MOVEMENT/PLAIN A2301.0 $87.04 A23012 $80.88
ASSY, JEWELED BOTTOM PLATE A23503 $55.45 A23512 $55.45
ASSY, PLAIN BOTTOM PLATE A23625 $35.29 A23612 $30.58
ASSY, JEWELED TOP PLATE A23725 $45.13 A23712 $44.80
ASSY, PLAIN TOP PLATE A23825 $20.72 A23812 $20.72
RACK A2431.0 $35.00 A24312 $20.72



  Range .100" Range .075"
DESCRIPTION EDP# PRICE EDP# PRICE
CAP, DUST A225131 $6.41 A225131 $6.41
ASSY, INTERMEDIATE GEAR A21020 $22.62 A21020 $22.62
ASSY, RACK GEAR A21221 $22.62 A21221 $22.62
ASSY, MOVEMENT, JEWELED A23110 $93.19 A23107 $93.19
ASSY, MOVEMENT, PLAIN A23010 $80.88 A23007 $80.88
ASSY, JEWELED BOTTOM PLATE A23510 $55.45 A23507 $55.45
ASSY, PLAIN BOTTOM PLATE A23610 $30.58 A23607 $30.58
ASSY, JEWELED TOP PLATE A23710 $44.80 A23707 $44.80
ASSY, PLAIN TOP PLATE A23810 $20.72 A23807 $20.72
RACK A24310 $20.72 A24307 $20.72



  Range .050" Range .025"
DESCRIPTION EDP# PRICE EDP# PRICE
CAP, DUST A225131 $6.41 A225131 $6.41
ASSY, INTERMEDIATE GEAR A20520 $31.25 A20520 $31.25
ASSY, RACK GEAR A21221 $22.62 A20221 $42.34
ASSY, RACK GEAR w/R.C. N/A   N/A  
ASSY, TAKE UP GEAR W/R.C. N/A   N/A  
HAND, R.C. N/A   N/A  
ASSY, MOVEMENT, JEWELED A23105 $135.31 A23102 $172.29
ASSY, MOVEMENT, PLAIN A23005 $123.00 A23002 $159.93
ASSY, JEWELED BOTTOM PLATE A23505 $60.38 A23502 $60.38
ASSY, PLAIN BOTTOM PLATE A23605 $35.29 A23625 $35.29
ASSY, JEWELED TOP PLATE A23705 $50.53 A23702 $50.53
ASSY, PLAIN TOP PLATE A23805 $20.72 A23825 $20.72
RACK A24305 $26.73 A24302 $36.13



  Range .020" Range .200"
DESCRIPTION EDP# PRICE EDP# PRICE
CAP, DUST A225131 $6.41 A225131 $6.41
ASSY, INTERMEDIATE GEAR A202020 $31.25 A20520 $31.25
ASSY, RACK GEAR A20221 $42.34 N/A  
ASSY, RACK GEAR W/R.C. N/A   A22022 $47.26
ASSY, TAKE UP GEAR W/R.C. N/A   A22024 $46.05
HAND, R.C. N/A   A22526 $4.14
ASSY, MOVEMENT, JEWELED A23104 $83.12 A23120 $172.29
ASSY, MOVEMENT, PLAIN A23004 $73.60 A23020 $159.93
ASSY, JEWELED BOTTOM PLATE A23504 $25.44 A23502 $60.38
ASSY, PLAIN BOTTOM PLATE A23604 $35.29 A23625 $35.29
ASSY, JEWELED TOP PLATE A23704 $26.84 A23702 $50.53
ASSY, PLAIN TOP PLATE A23804 $20.72 A23825 $20.72
RACK A24302 $36.13 A24320 $36.13






Special Parts for Group 2 indicators:

  Model 26105C Model 26103C
DESCRIPTION EDP# PRICE EDP# PRICE
CAP, DUST A21.0131 $7.16 A21.0131 $7.16
ASSY, RACK GEAR A210021 $34.05 N/A  
ASSY, RACK GEAR W/R.C. N/A   A25022 $22.98
ASSY, TAKE UP GEAR A2100231 $27.90 A25023 $19.72
PINION A210034 $20.25 A22534 $20.25
RACK A2431001 $39.21 A2431.0 $35.00



  Model 25005C Model 25003C
DESCRIPTION EDP# PRICE EDP# PRICE
CAP, DUST A250131 $7.16 A250131 $7.16
ASSY, RACK GEAR A225021 $34.05 N/A  
ASSY, RACK GEAR W/R.C. N/A   A25022 $22.98
ASSY, TAKE UP GEAR A2100231 $27.90 A25023 $19.72
PINION A210034 $20.25 A22534 $20.25
RACK A2435001 $61.47 A24350 $36.13



  Model 22506C
DESCRIPTION EDP# PRICE
CAP, DUST A225131 $6.41
ASSY, RACK GEAR A225021 $34.05
ASSY, RACK GEAR W/R.C. N/A  
ASSY, TAKE UP GEAR A2100231 $27.90
PINION A210034 $20.25
RACK A2435001 $61.47






Parts Common to All Group 3 indicators:

DESCRIPTION EDP# PRICE
BEZEL SCREWS A22545 $2.68
BEZEL A32573 $17.02
ASSY, BEZEL W/CRYSTAL A325717 $22.98
CASE A32514TR-.62S $48.54
Crystal A32517 $5.95
HAND A32525 $5.95
SPRING, FLAT DIAL A32553 $4.64
WASHER, PINION GEAR A22534W $3.86
SCREW, BACK A22544 $2.68
SCREW, BEZEL LOCK A22561 $6.94
WASHER, BEZEL LOCK A225601 $5.37
DIAL, BOTTOM SPEC MODEL $11.76
DIAL, TOP SPEC MODEL $11.76



  RANGE .250" RANGE 1.0"
DESCRIPTION EDP# PRICE EDP# PRICE
RACK A34325 $21.21 A3431.0 $36.13



  RANGE .125" RANGE .100"
DESCRIPTION EDP# PRICE EDP# PRICE
RACK A34312 $21.21 A34310 $21.21



  RANGE .075" RANGE .050"
DESCRIPTION EDP# PRICE EDP# PRICE
RACK A34307 $21.21 A34305 $27.35



  RANGE .025" RANGE .020"
DESCRIPTION EDP# PRICE EDP# PRICE
RACK A34302 $38.63 A34302 $38.63



  RANGE .200" RANGE .500"
DESCRIPTION EDP# PRICE EDP# PRICE
RACK A34320 $55.19 A34350 $61.38
TAKE UP GEAR & HAIR SPRING N/A   A22024 $46.05
HAIR SPRING ONLY N/A   A250055 $10.08



Parts Not Common to all Group 3-4 indicators:

  Model 36105C Model 36103C
DESCRIPTION EDP# PRICE EDP# PRICE
CAP, DUST A21.0131 $7.16 A21.0131 $7.16
ASSY, RACK GEAR A210021 $34.05 N/A  
ASSY, RACK GEAR W/R.C. N/A   A25022 $22.98
ASSY, TAKE UP GEAR A2100231 $27.90 A25023 $19.72
PINION A210034 $20.25 A22534 $20.25
RACK A3431.01 $48.07 A3431.0 $36.13



  Model 35004C Model 35005C
DESCRIPTION EDP# PRICE EDP# PRICE
CAP, DUST A250131 $7.16 A250131 $7.16
ASSY, RACK GEAR N/A   A225021 $34.05
ASSY, RACK GEAR W/R.C. A22522 $27.90 N/A  
ASSY, TAKE UP GEAR A22523 $19.72 A2100231 $27.90
PINION A22534 $20.25 A210034 $20.25
RACK A34350 $61.38 A34350-2 $61.47



  Model 35003C Model 35006C
DESCRIPTION EDP# PRICE EDP# PRICE
CAP, DUST A250131 $7.16 A225131 $6.41
ASSY, RACK GEAR A25022 22.98 A225021 $34.05
ASSY, RACK GEAR W/R.C.        
ASSY, TAKE UP GEAR A25023 $19.72 A2100231 $27.90
PINION A22534 $20.25 A225034 $20.25
RACK A34350 $61.38 A3432501 $21.21



  Model 44001C
DESCRIPTION EDP# PRICE
ASSY, RACK GEAR A44022 $50.30
ASSY, TAKE UP GEAR W/R.C. A44023 $42.34
HAND A44025 $7.38
HAND,R.C. A44026 $5.37
PINION A44034 $19.05
RACK A44340 $57.95
SPRING, FLAT DIAL A44053 $7.16
SPRING, RETURN A44055 $8.18



Parts Common to All Group 4 indicators:

DESCRIPTION EDP# PRICE
BEZEL A42573 $20.95
BEZEL SCREWS A22545 $2.68
BEZEL & CRYSTAL ASSEMBLY A425717 $29.13
CAP, DUST (.400 RANGE & LESS) A42513 $5.37
CAP, DUST (1.00 RANGE ONLY) A41.0131 $8.18
CASE A42514TR-.62S $54.69
CRYSTAL A42517 $8.18
HAND A42525 $6.94
SPRING, FLAT DIAL A42553 $6.16
WASHER, PINION GEAR A22534W $3.86
SCREW, BACK A22544 $2.68
SCREW, BEZEL LOCK A22561 $6.94
WASHER, BEZEL LOCK A225601 $5.37
DIAL, BOTTOM SPEC MODEL $11.76
DIAL, TOP SPEC MODEL $11.76



  RANGE .250" RANGE 1.0"
DESCRIPTION EDP# PRICE EDP# PRICE
RACK A44325 $22.08 A4431.0 $38.13



  RANGE .125" RANGE .100"
DESCRIPTION EDP# PRICE EDP# PRICE
RACK A44312 $22.08 A44310 $21.21



  RANGE .075" RANGE .050"
DESCRIPTION EDP# PRICE EDP# PRICE
RACK A44307 $22.08 A44305 $23.44



  RANGE .025" RANGE .020"
DESCRIPTION EDP# PRICE EDP# PRICE
RACK A44302 $40.53 A44302 $40.53



  RANGE .200"
DESCRIPTION EDP# PRICE
RACK A44320 $56.33



Parts Common to all Extra Long Range Group Sizes 2,3, & 4 indicators:

DESCRIPTION EDP# PRICE
ASSY, INTERMEDIATE GEAR A20520 $31.25
ASSY, RACK GEAR W/R.C. AL22.022 $34.05
ASSY, TAKE UP GEAR W/R.C. AL22.024 $16.24
ASSY, MOVEMENT, JEWELED A23117 $164.10
ASSY, JEWELED BOTTOM PLATE A23517 $59.59
ASSY, JEWELED TOP PLATE A23725 $45.13
SCREW, RACK SLIDE A22550 $2.90
SCREW, RACK GUIDE AL22.052 $10.88
SPRING, COIL TAKE UP AL22.055 $7.38
SPRING, RACK AL22.056 $5.60
WASHER, PINION GEAR A22534W $3.86



Parts for Group 2(2-1/4"DIA.) 2"Range:

DESCRIPTION EDP# PRICE
CAP, DUST AL22.013 $25.87
CASE A22514TR-2 $61.60
RACK AL2432.0 $91.97
SCREW, RACK STOP AL22.047 $7.17



Parts for Group 3(2-3/4"DIA.) 2"-3"-4"-5"Range:

DESCRIPTION EDP# PRICE
CAP, DUST 2" AL22.013 $25.87
CAP, DUST 3" AL33.013 $31.25
CAP, DUST 4" AL34.013 $41.12
CAP, DUST 5" AL35.013 $51.31
CASE, 2" A32514TR-2 $86.06
CASE, 3" A32514TR-3 $109.27
CASE, 4" A32514TR-4 $132.25
CASE, 5" A32514TR-5 $154.29
RACK 2" AL3432.0 $91.97
RACK 3" AL3433.0 $114.54
RACK 4" AL3434.0 $149.27
RACK 5" AL3435.0 $193.94
SCREW, RACK STOP 2" AL22.047 $7.17
SCREW, RACK STOP 3" AL33.047 $7.38
SCREW, RACK STOP 4" AL34.047 $7.63
SCREW, RACK STOP 5" AL35.047 $8.18



Parts for Group 4(3-5/8"DIA.) 2"-3"-4"-5"Range:

DESCRIPTION EDP# PRICE
CAP, DUST 2" AL42.013 $31.25
CAP, DUST 3" AL43.013 $35.73
CAP, DUST 4" AL44.013 $46.05
CAP, DUST 5" AL45.013 $56.67
CASE, 2" A42514TR-2 $101.87
CASE, 3" A42514TR-3 $123.69
CASE, 4" A42514TR-4 $145.76
CASE, 5" A42514TR-5 $167.49
RACK 2" AL4432.0 $103.26
RACK 3" AL4433.0 $126.45
RACK 4" AL4434.0 $158.69
RACK 5" AL4435.0 $205.86



Parts for Models 60100B1 and 60100C1:

DESCRIPTION EDP# PRICE
DIAL 0-100 D60100C $9.18
DIAL 0-50-0 D60100B $9.18
BRIDGE SCREW SHORT A12551A $4.19
HAIR SPRING PIN A22532 $6.63
DIAL SPRING AO3113 $4.13
SPRING, BACK PLUNGER RETURN AO3115 $4.17
SPIRAL AO3569-DI $19.05
INDICATOR CASE AO3570-60 $44.25
BRIDGE AO3572 $18.76
SPINDLE AO3571-1 $16.57
RETAINING RING, SNAP AO3574 $4.68
GUIDE PIN AO3575-DI $4.68
ECCENTRIC GUIDE AO3576 $9.18
CROSS ARM PIN AO3578-1 $3.93
BEZEL FINISHED AO3590 $13.40
INDICATOR ROD/HANDLE PIN AO3591 $20.14
HAND AO3592 $4.37
ECCENTRIC GUIDE SCREW AO3604 $8.51
HAIRSPRING AO3610 $6.97
CRYSTAL W-39 1/2 AOW39.5 $4.68
BEZEL & CRYSTAL ASSEMBLY AO359039 $18.44

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