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Technical Data Sheet
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20121-31255 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

20121-31255: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5306-01-312-0675, 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
20121-31255
NSN: 5306-01-312-0675
FSC: 5306 — Bolts
CAGE: S5155 — KAYABA INDUSTRY CO. LTD (JPN)
SPECIFICATIONS
Part Number20121-31255
NSN5306-01-312-0675
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20121-31255 · 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
SUBSTITUTES & CROSS-REFERENCES 1
355901Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20121-31255?
20121-31255 is a BOLT,MACHINE.
What parts can replace 20121-31255?
There is 1 known substitute for 20121-31255: 355901. Substitute compatibility should be verified for your specific system.
What is the NSN for 20121-31255?
20121-31255 is cataloged in the U.S. Government catalog under NSN 5306-01-312-0675. This indicates validated use in U.S. government and defense supply chains.
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