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021651-8 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

021651-8: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5325-00-803-9981, 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
021651-8
NSN: 5325-00-803-9981
FSC: 5325 — Fastening Devices
CAGE: 07860 — BOGUE ELECTRIC MANUFACTURING CO (USA)
SPECIFICATIONS
Part Number021651-8
NSN5325-00-803-9981
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 021651-8 · 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 8
8331359Reference document
Same NSN cross-reference
Reference document — Secondary reference
010039Reference document
Same NSN cross-reference
Reference document — Secondary reference
032375Reference document
Same NSN cross-reference
Reference document — Secondary reference
1003115M1Reference document
Same NSN cross-reference
Reference document — Secondary reference
174X150Reference document
Same NSN cross-reference
Reference document — Secondary reference
5100-150Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 021651-8?
021651-8 is a RING,RETAINING.
What parts can replace 021651-8?
There are 8 known substitutes for 021651-8: 8331359, 010039, 032375 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 021651-8?
021651-8 is cataloged in the U.S. Government catalog under NSN 5325-00-803-9981. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.