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3913T12 — SNAP HOOK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3913T12: SNAP HOOK.

The SNAP HOOK is a the manufacturer industrial component. Key specifications include material: ZINC ALLOY CONNECTION END, design_type: SWIVEL, inside_width: 0.500 INCHES NOMINAL IN, overall_length: 3.125 INCHES NOMINAL IN, unattached_ring: NOT INCLUDED, end_connection_style: SWIVEL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-225-2723, 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
3913T12
NSN: 5340-01-225-2723
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialZINC ALLOY CONNECTION END
design_typeSWIVEL
inside_width0.500 INCHES NOMINAL IN
overall_length3.125 INCHES NOMINAL IN
unattached_ringNOT INCLUDED
end_connection_styleSWIVEL
hook_style_designatorSLIDING BOLT
rubber_covered_featureNOT INCLUDED
NSN5340-01-225-2723
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3913T12 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
KEY FEATURES
•
INSIDE WIDTH: 0.500 INCHES NOMINAL IN
•
UNATTACHED RING: NOT INCLUDED
•
DESIGN TYPE: SWIVEL
•
END CONNECTION STYLE: SWIVEL
•
HOOK STYLE DESIGNATOR: SLIDING BOLT
•
MATERIAL: ZINC ALLOY CONNECTION END
TECHNICAL CHARACTERISTICS
INSIDE WIDTH0.500 INCHES NOMINAL IN
UNATTACHED RINGNOT INCLUDED
DESIGN TYPESWIVEL
OVERALL LENGTH3.125 INCHES NOMINAL IN
END CONNECTION STYLESWIVEL
HOOK STYLE DESIGNATORSLIDING BOLT
MATERIALZINC ALLOY CONNECTION END
MATERIALZINC ALLOY HOOK
RUBBER COVERED FEATURENOT INCLUDED
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 3913T12?
3913T12 is a SNAP HOOK.
What is the NSN for 3913T12?
3913T12 is cataloged in the U.S. Government catalog under NSN 5340-01-225-2723. 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.