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Technical Data Sheet
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WH-437-S02 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

WH-437-S02: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5325-01-280-7145, 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
WH-437-S02
NSN: 5325-01-280-7145
FSC: 5325 — Fastening Devices
CAGE: 51814 — SMALLEY STEEL RING CO. (USA)
SPECIFICATIONS
Part NumberWH-437-S02
NSN5325-01-280-7145
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: WH-437-S02 · 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 1
3531Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 WH-437-S02?
WH-437-S02 is a RING,RETAINING.
What parts can replace WH-437-S02?
There is 1 known substitute for WH-437-S02: 3531. Substitute compatibility should be verified for your specific system.
What is the NSN for WH-437-S02?
WH-437-S02 is cataloged in the U.S. Government catalog under NSN 5325-01-280-7145. This indicates validated use in U.S. government and defense supply chains.
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