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243629 — RING,RETAINING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

243629: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-00-353-2656, 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
243629
NSN: 5310-00-353-2656
NIINs: 003532656, 016782473
FSC: 5310 — Nuts and Washers
CAGE: 08683 — BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC (USA)
SPECIFICATIONS
Part Number243629
NSN5310-00-353-2656
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 243629 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 5
380G106Reference document
Same NSN cross-reference
Reference document — Secondary reference
31G106Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2814B2Reference document
Same NSN cross-reference
Reference document — Secondary reference
281482Reference document
Same NSN cross-reference
Reference document — Secondary reference
4ZGEW0123Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 243629?
243629 is a RING,RETAINING.
What parts can replace 243629?
There are 5 known substitutes for 243629: 380G106, 31G106, 2814B2 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 243629?
243629 is cataloged in the U.S. Government catalog under NSN 5310-00-353-2656. 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.