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221037A — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

221037A: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5325-00-836-1017, 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
221037A
NSN: 5325-00-836-1017
FSC: 5325 — Fastening Devices
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
Part Number221037A
NSN5325-00-836-1017
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 221037A · 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 2
P1156Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
221037Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 221037A?
221037A is a RING,RETAINING.
What parts can replace 221037A?
There are 2 known substitutes for 221037A: P1156, 221037. Substitute compatibility should be verified for your specific system.
What is the NSN for 221037A?
221037A is cataloged in the U.S. Government catalog under NSN 5325-00-836-1017. This indicates validated use in U.S. government and defense supply chains.
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