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RR-625 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

RR-625: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5325-00-753-3646, 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
RR-625
NSN: 5325-00-753-3646
FSC: 5325 — Fastening Devices
CAGE: 80756 — SPIROLOX INC (USA)
SPECIFICATIONS
Part NumberRR-625
NSN5325-00-753-3646
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: RR-625 · 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 6
RR662SReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
WH-625Reference document
Same NSN cross-reference
Reference document — Secondary reference
157080Reference document
Same NSN cross-reference
Reference document — Secondary reference
21023 R1Reference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-DTL-27426Reference document
Same NSN cross-reference
Reference document — Identification reference
M2742630226ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RR-625?
RR-625 is a RING,RETAINING.
What parts can replace RR-625?
There are 6 known substitutes for RR-625: RR662S, WH-625, 157080 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RR-625?
RR-625 is cataloged in the U.S. Government catalog under NSN 5325-00-753-3646. 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.