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Mitutoyo Spare Parts
Dial Calipers series 504 and 505

 

Mitutoyo does not sell parts directly to end users. It will be necessary to place your order through a dealer such as Long Island Indicator Service.

While we stock all the items commonly used for repairs we can't possibly list all of them here. However, a couple of items are on the most frequently requested list. See if what you're looking for is here.

If you email us a request for specific parts, be sure to include the model number of the Mitutoyo gage. For some reason, they call this the Code Number. Most Mitutoyo tools have hyphenated code numbers such as 505-123. Include the manufacturer's part number if you have it, or be as descriptive as possible. For example: "the small, black, plastic, rectangular piece with two little plugs sticking out one side... etc."

For other parts: see page 72

  • Digimatic digital calipers ... page 189
  • Digimatic indicators, dial indicators and test indicators ... page 162

 

Be aware of model numbers!

As Mitutoyo gages, calipers and micrometers evolve, the manufacturer adds new suffixes such as -20, -30 or -50 and letters such as "F" and "S". This little detail must not be overlooked when ordering parts. The model number is always printed somewhere on Mitutoyo gages, if not on the dial.

There are some early models (roughly pre-1980) which may have the same model or code number. However, they had unique parts which are no longer available. We can not be held responsible if you attempt to buy parts for these antiques, and they don't fit.

 

Are you looking to install your own crystal?

Be advised: to install a new crystal in your dial calipers you will need a crystal press. These Mitutoyo caliper crystals are slightly oversized. The crystal press will cause them to become dome shaped and this is what keeps the crystals in place, in a groove inside the bezel. For details on crystal insertion and tools required, see page 15. An alternative solution is to buy the bezel and crystal already assembled (see parts lists below).

 

Some common terminology: (parts for different models may actually look a bit different than those shown in this generic drawing)

ThumbRoller

movementparts


Use this drawing to help identify movement parts. This is a generic drawing and parts may have a slightly different appearance. Buying the complete movement assembly makes for a much easier repair but individual components can also be ordered.

No.8 ... movement assembly (consists of the following)

  • 8-1 ... base plate
  • 8-2 ... top plate
  • 8-3 ... plate screw
  • 8-4 ... pinion assembly
  • 8-5 ... pinion backlash assembly
  • 8-6 ... center pinion

 

pic16782

 

The slider stop is the plastic end piece (shown right). The color of the plastic may be black or grey. It will have two pegs which press into the openings on the beam. Check the part numbers carefully since there are several variations. In some instances, these are made of metal and involve two screws for mounting.

 

 

pointinghandvintageimagegraphicsfairy2
To order Mitutoyo spare parts, select your part numbers from the lists on this page and then proceed to the
price and ordering page.

Note: For gages labeled "discontinued" only those parts which are listed here are still available from us.

 

Model

Part Number

General

Zero adjustment tool

142115

Plastic storage case for 6" Mitutoyo dial calipers

05RAB235

Plastic storage case for 8" Mitutoyo dial calipers

05RAB350

Plastic storage case for 12" Mitutoyo dial calipers

05RZA077

504-106

bezel assembly with crystal installed

901329

bezel clamp only (does not include screw)

discontinued

505-101
505-102

crystal only (requires press for insertion)

101579

bezel and crystal assembled

900919

505-611
(D6"H)
discontinued

hook for thumb roller

146330

screw for hook

146331

thumb roller

141771

slider stop (piece at end of calipers)

141769

505-612
(D8"H)
discontinued

hook for thumb roller

146330

thumb roller

141771

slider stop (piece at end of calipers)

141769

505-626-50

bezel clamp only (does not include the screw) important: see notes

05BAA112

screw for the bezel clamp

130366

slider stop (piece at end of calipers)

141769

hook for thumb roller

141770

thumb roller

141771

screw for hook

141961

movement assembly with base

905163

crystal and bezel assembled

905162

crystal only (requires press for insertion)

141776

505-626
505-627
505-629
discontinued
models

bezel clamp only (does not include the screw)

discontinued

screw for the bezel clamp

130366

crystal only (requires press for insertion)

101579

bezel and crystal assembled

900919

rack screw

101567

slider stop (plastic piece at end of calipers) prior to 1981

discontinued

slider stop (plastic piece at end of calipers) after April 1981

140073

505-627-50
(D8")

complete movement assembly (base plate assembly)

905163

bezel clamp only (does not include the screw) original design

discontinued

bezel clamp only (replacement, see notes at bottom)

05BAA112

screw for the bezel clamp

130366

crystal and bezel assembled

905162

hook for thumb roller

141770

thumb roller

141771

screw for hook

141961

slider stop (piece at end of calipers)

141769

505-628
(D12")

crystal and bezel assembled

901329

slider stop (piece at end of calipers)

141769

slider gib (old #141938)

101969

screw for the bezel clamp

130366

bezel clamp only (does not include the screw)

discontinued

505-628-50
(D12")

crystal and bezel assembled

901329

hand

900257

slider stop (piece at end of calipers)

141769

hook for thumb roller

141941

screw for the bezel clamp

130366

bezel clamp only (does not include the screw)

142137

505-629-50

see parts for 505-626-50

505-633-50

see parts for 505-626-50

505-634-50
(D20)

see parts for 505-627-50

505-635
(D30)

see parts for 505-628

505-636-50 (D10)

see parts for 505-626-50

505-637
(D6"T)*

crystal only (requires press for insertion)

101579

bezel and crystal assembled

901380

bezel clamp only (does not include the screw)

discontinued

screw for the bezel clamp

130366

505-637-50

complete movement assembly (without base)

discontinued

bezel clamp only (does not include the screw)

discontinued

screw for the bezel clamp

130366

crystal and bezel assembled

905162

crystal only (requires press for insertion)

141776

hand (pointer)

21BZA014

center pinion (hand fits onto this pinion)

132826

slider stop (piece at end of calipers)

141769

hook for thumb roller

141770

thumb roller

141771

screw for hook

141961

screw for rack (one piece, three required)

101567

505-637-66 (6"TR)

slider stop (piece at end of calipers)

141769

505-641

crystal and bezel assembled

900919

crystal only (may require crystal press for insertion)

101579

slider stop (piece at end of calipers)

140073

bezel clamp only (does not include the screw)

130367

screw for the bezel clamp

130366newarrow862a1

505-644
(D8"T)*

crystal and bezel assembled

900919

crystal only (may require crystal press for insertion)

101579

slider stop (piece at end of calipers)

140073

bezel clamp only (does not include the screw)

discontinued

screw for the bezel clamp

130366

505-644-50

complete movement and base assembly

discontinued

backlash spring

132979

crystal and bezel assembled

905162

crystal only (requires press for insertion)

141776

screw for the bezel clamp

130366

bezel clamp only (does not include the screw)

discontinued

hand (pointer)

21BZA014

center pinion (hand fits onto this pinion)

132826

hook for thumb roller

141770

thumb roller

141771

screw for hook

141961

slider stop (piece at end of calipers)

141769

505-645

crystal only (may require a press for insertion)

101601

crystal and bezel assembled

901329

505-645-50
D12"T
(obsolete)

complete movement and base assembly

905174

complete movement assembly (without base)

discontinued

slider gib

101969

backlash spring

132979

dial (141952) discontinued but you can use the 505-677 dial

05BAA219

crystal and bezel assembled

901329

crystal only (may require a press for insertion)

101601

slider stop (piece at end of calipers)

141769

bezel clamp only (does not include the screw)

142137

screw for bezel clamp

130366

hand (pointer)

900257

hook for thumb roller

141941

thumb roller

101592

screw for hook

141961

zero adjustment tool

142115

plastic storage case

05RZA077

505-646-50
D15T

backlash spring

132979

crystal only (may require a press for insertion)

141776

crystal and bezel assembled

905162

hook for thumb roller

141770

thumb roller

141771

screw for hook

141961

505-647-50
D20T

backlash spring

132979

slider stop (piece at end of calipers)

141769

505-653-50

crystal and bezel assembled

905162

crystal only (may require a press for insertion)

141776

slider stop (piece at end of calipers)

141769

bezel clamp only (does not include the screw)

discontinued

screw for bezel clamp

130366

hand (pointer)

21BZA014

hook for thumb roller

141770

thumb roller

141771

screw for hook

141961

505-671
(D15TN)

505-672
(D20TN)

crystal and bezel assembled

05BZA037

crystal only (requires press for insertion)

141776

bezel clamp only (does not include the screw)

05BAA112

screw for bezel clamp

05BAA113

505-674
(D4"TN)

505-675
(D6"TN)

505-676
(D8"TN)

505-677
(D12"TN)

spare parts for these models are shown on page 140

 

505-689
505-690

crystal and bezel assembled

05BZA075

crystal only (requires press for insertion)

141776

slider stop (piece at end of calipers)

05BAA083

thumb roller

141771

plastic hook for thumb roller

05BAA167

bezel clamp only (does not include the screw)

05BAA112

505-710

see parts for 505-677

505-708
505-709
505-712
505-713

bezel clamp only (does not include the screw)

05BAA112

screw for bezel clamp

05BAA113

thumb roller

141771

crystal only (requires press for insertion)

141776

crystal and bezel assembled

05BZA083

hand (pointer)

21BZA014

movement assembly

05BZA063

pinion assembly (#8-4 in the parts drawing at top of page)

05BZA064

screw (#9 in the parts drawing at top of page)

113321A

slider stop (piece at end of calipers)

05BAA083

505-716
505-717
505-718
505-719

slider stop (piece at end of calipers)

05BAA138

bezel clamp only (does not include the screw)

05BAA112

screw for bezel clamp

05BAA113

movement assembly

05BZA101

hand for dial (pointer)

21BZA014

bezel assembly with crystal installed

05BZA037

crystal only (may require press for insertion)

141776

505-720

movement assembly

05BZA093

crystal only (may require a press for insertion)

101601

bezel and crystal assembled

05BZA099

bezel clamp only (does not include the screw)

05BAA112

screw for bezel clamp

05BAA113

 

Please inquire about dial caliper parts not shown on this list.

* note that there are some very old models (pre-1980) which used different parts even though Mitutoyo gave them the same model or code number. Those parts are long obsolete. Make sure you have the more current models.

Notes:

The bezel clamp (141863 and 130366) for model 505-626-50 and 505-627-50 is discontinued but you can use clamp 05BAA112 as a substitute. It works perfectly. The original clamp for the old model engaged the coined edge of the bezel. The newer one engages the smooth diameter on the underside of the bezel, and does so on the older bezel as well. It is actually an improvement. (With thanks to Mr. B. Allenbaugh for this discovery and other customers for verification.)

 

 

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