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591139PC7 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

591139PC7: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5325-00-282-7128, 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
591139PC7
NSN: 5325-00-282-7128
FSC: 5325 — Fastening Devices
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
Part Number591139PC7
NSN5325-00-282-7128
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 591139PC7 · 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
5100-21CReference document
Same NSN cross-reference
Reference document — Secondary reference
12Z64PC5Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS16624C-5021Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
N1400-21ASReference document
Same NSN cross-reference
Reference document — Secondary reference
554453PC5Reference document
Same NSN cross-reference
Reference document — Secondary reference
D32105-21Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 591139PC7?
591139PC7 is a RING,RETAINING.
What parts can replace 591139PC7?
There are 8 known substitutes for 591139PC7: 5100-21C, 12Z64PC5, MS16624C-5021 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 591139PC7?
591139PC7 is cataloged in the U.S. Government catalog under NSN 5325-00-282-7128. 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.