PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 5100-31C
5100-31C ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, ring_style: EXTERNAL, usage_design: EXTERNAL, inside_diameter: 0.281 INCHES NOMINAL IN, major_thickness: 0.025 INCHES NOMINAL IN, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-282-0793, 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
5100-31C
NSN: 5325-00-282-0793
FSC: 5325
CAGE: 79136 — TRUARC COMPANY LLC DBA WALDES TRUARC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
ring_styleEXTERNAL
usage_designEXTERNAL
inside_diameter0.281 INCHES NOMINAL IN
major_thickness0.025 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-282-0793
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5100-31C · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
USAGE DESIGN: EXTERNAL
•
MATERIAL: COPPER ALLOY
•
MAJOR THICKNESS: 0.025 INCHES NOMINAL IN
•
RING STYLE: EXTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
INSIDE DIAMETER: 0.281 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
USAGE DESIGNEXTERNAL
MATERIALCOPPER ALLOY
MAJOR THICKNESS0.025 INCHES NOMINAL IN
RING STYLEEXTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CASEHARDENING INDICATORNOT CASEHARDENED
INSIDE DIAMETER0.281 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
71A0644-1Interchangeable
interchangeable cross-reference
interchangeable
95526Interchangeable
interchangeable cross-reference
interchangeable
1045-1Interchangeable
interchangeable cross-reference
interchangeable
Z114-2Interchangeable
interchangeable cross-reference
interchangeable
23458Interchangeable
interchangeable cross-reference
interchangeable
S-809-1-D-9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5100-31C?
5100-31C is a RING,RETAINING.
What parts can replace 5100-31C?
There are 19 known substitutes for 5100-31C: 71A0644-1, 95526, 1045-1 and 16 more. Substitute compatibility should be verified for your specific system.
Is 5100-31C still available?
5100-31C is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026