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3901T19 — SNAP HOOK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3901T19: SNAP HOOK.

The SNAP HOOK is a the manufacturer industrial component. Key specifications include material: ZINC ALLOY HOOK, design_type: FIXED, end_position: HOOKS IN SAME PLANE, overall_length: 4.000 INCHES NOMINAL IN, unattached_ring: NOT INCLUDED, hook_style_designator: SLIDING BOLT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-367-9487, 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
3901T19
NSN: 5340-01-367-9487
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialZINC ALLOY HOOK
design_typeFIXED
end_positionHOOKS IN SAME PLANE
overall_length4.000 INCHES NOMINAL IN
unattached_ringNOT INCLUDED
hook_style_designatorSLIDING BOLT
rubber_covered_featureNOT INCLUDED
end_item_identificationMRAP BUFFALO MK2A2
NSN5340-01-367-9487
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3901T19 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
•
UNATTACHED RING: NOT INCLUDED
•
DESIGN TYPE: FIXED
•
END POSITION: HOOKS IN SAME PLANE
•
HOOK STYLE DESIGNATOR: SLIDING BOLT
•
MATERIAL: ZINC ALLOY BLADE
TECHNICAL CHARACTERISTICS
UNATTACHED RINGNOT INCLUDED
DESIGN TYPEFIXED
OVERALL LENGTH4.000 INCHES NOMINAL IN
END POSITIONHOOKS IN SAME PLANE
HOOK STYLE DESIGNATORSLIDING BOLT
END ITEM IDENTIFICATIONMRAP BUFFALO MK2A2
MATERIALZINC ALLOY BLADE
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 3901T19?
3901T19 is a SNAP HOOK.
What is the NSN for 3901T19?
3901T19 is cataloged in the U.S. Government catalog under NSN 5340-01-367-9487. 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.