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4100-87-ST-PA — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4100-87-ST-PA: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5325-01-174-3264, 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
4100-87-ST-PA
NSN: 5325-01-174-3264
FSC: 5325 — Fastening Devices
CAGE: 97464 — TRUARC CO LLC (USA)
SPECIFICATIONS
Part Number4100-87-ST-PA
NSN5325-01-174-3264
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4100-87-ST-PA · 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 5
5108-87-S-PPReference document
Same NSN cross-reference
Reference document — Secondary reference
MS16626-3087Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
188167Reference document
Same NSN cross-reference
Reference document — Secondary reference
1408-87-S-PPReference document
Same NSN cross-reference
Reference document — Secondary reference
SHI-87-ST-PAReference 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 4100-87-ST-PA?
4100-87-ST-PA is a RING,RETAINING.
What parts can replace 4100-87-ST-PA?
There are 5 known substitutes for 4100-87-ST-PA: 5108-87-S-PP, MS16626-3087, 188167 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4100-87-ST-PA?
4100-87-ST-PA is cataloged in the U.S. Government catalog under NSN 5325-01-174-3264. This indicates validated use in U.S. government and defense supply chains.
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