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3958T-1 — SNAP HOOK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3958T-1: SNAP HOOK.

The SNAP HOOK is a the manufacturer industrial component. Key specifications include special_features: ZINC-PLATED STEEL, end_item_identification: 2330-01-458-6865 M871A3 SEMI-TRAILER, 22.5 TON. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-499-4157, 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
3958T-1
NSN: 5340-01-499-4157
FSC: 5340 — Hardware, Commercial
CAGE: 2V507 — MCMASTER-CARR SUPPLY COMPANY (USA)
SPECIFICATIONS
special_featuresZINC-PLATED STEEL
end_item_identification2330-01-458-6865 M871A3 SEMI-TRAILER, 22.5 TON
NSN5340-01-499-4157
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3958T-1 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESZINC-PLATED STEEL
END ITEM IDENTIFICATION2330-01-458-6865 M871A3 SEMI-TRAILER, 22.5 TON
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 3958T-1?
3958T-1 is a SNAP HOOK.
What is the NSN for 3958T-1?
3958T-1 is cataloged in the U.S. Government catalog under NSN 5340-01-499-4157. 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.