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Technical Data Sheet
PartsTable / COMPONENT / R12-12
R12-12 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RING,BEARING,INNER is a the manufacturer industrial component. Key specifications include color: WHITE OVERALL, width: 0.500 INCHES NOMINAL IN, diameter: 0.750 INCHES NOMINAL IN, end_type: BUTT, material: PAPER, plumb_bob: NOT INCLUDED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5210-00-540-2560, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
R12-12
NSN: 5210-00-540-2560
FSC: 5210
CAGE: 57163 — L.S. STARRETT COMPANY (THE) DIV TOOL DIVISION (USA)
SPECIFICATIONS
colorWHITE OVERALL
width0.500 INCHES NOMINAL IN
diameter0.750 INCHES NOMINAL IN
end_typeBUTT
materialPAPER
plumb_bobNOT INCLUDED
bore_shapeSTRAIGHT
design_typeGENERAL PURPOSE DISTANCE MEASURING
bore_diameter60.0 MILLIMETERS NOMINAL MM
overall_width22.0 MILLIMETERS NOMINAL MM
inclosure_typeCASE
surface_finishGROUND
NSN5210-00-540-2560
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,BEARING,INNER TITLE COMPONENT PN R12-12 MFR RING,BEARING,INNER
KEY FEATURES
•
STANDARD GRADUATION UNIT: INCHES AND FEET
•
DESIGN TYPE: GENERAL PURPOSE DISTANCE MEASURING
•
PLUMB BOB: NOT INCLUDED
•
MATERIAL: STEEL
•
END TYPE: BUTT
•
WIDTH: 0.500 INCHES NOMINAL IN
•
WINDING METHOD: PULL-PUSH
•
READING DIRECTION: LEFT TO RIGHT
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD GRADUATION UNITINCHES AND FEET
DESIGN TYPEGENERAL PURPOSE DISTANCE MEASURING
PLUMB BOBNOT INCLUDED
MATERIALSTEEL
END TYPEBUTT
WIDTH0.500 INCHES NOMINAL IN
WINDING METHODPULL-PUSH
READING DIRECTIONLEFT TO RIGHT
INCLOSURE TYPECASE
NATIONAL BUREAU OF STANDARDS CERTIFICATIONNOT PROVIDED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
1972B2Interchangeable
interchangeable cross-reference
interchangeable
GGG-T-106 TY5CLAST2Interchangeable
interchangeable cross-reference
interchangeable
GGG-T-106Interchangeable
interchangeable cross-reference
interchangeable
5210-00-245-0301Interchangeable
interchangeable cross-reference
interchangeable
0-33-202Interchangeable
interchangeable cross-reference
interchangeable
GGG-R-791Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R12-12?
R12-12 is a RING,BEARING,INNER.
What parts can replace R12-12?
There are 18 known substitutes for R12-12: 1972B2, GGG-T-106 TY5CLAST2, GGG-T-106 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R12-12?
R12-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5210-00-540-2560. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026