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3777T21 — SNAP HOOK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3777T21: SNAP HOOK.

The SNAP HOOK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 HOOK, design_type: LOOSE, overall_length: 2.6875 INCHES NOMINAL IN, unattached_ring: NOT INCLUDED, hook_style_designator: PIVOT, rubber_covered_feature: NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-626-6084, 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
3777T21
NSN: 5340-01-626-6084
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL COMP 316 HOOK
design_typeLOOSE
overall_length2.6875 INCHES NOMINAL IN
unattached_ringNOT INCLUDED
hook_style_designatorPIVOT
rubber_covered_featureNOT INCLUDED
end_item_identificationA/A 49E-36 7.6
material_document_and_classificationQQ-S-763, CLASS 316 FED SPEC SINGLE MATERIAL RESPONSE HOOK
NSN5340-01-626-6084
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3777T21 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: LOOSE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763, CLASS 316 FED SPEC SINGLE MATERIAL RESPONSE HOOK
•
HOOK STYLE DESIGNATOR: PIVOT
•
MATERIAL: STEEL COMP 316 HOOK
TECHNICAL CHARACTERISTICS
UNATTACHED RINGNOT INCLUDED
DESIGN TYPELOOSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 316 FED SPEC SINGLE MATERIAL RESPONSE HOOK
OVERALL LENGTH2.6875 INCHES NOMINAL IN
HOOK STYLE DESIGNATORPIVOT
SPECIAL FEATURESNO OEM AVAILABLE. ITEM HAS AN ATTACHED RING INSIDE THE LOWER RADIUS OF THE CONNECTOR. INSIDE DIAMETER OF THE RING IS 0.6875. MATERIAL DIAMETER IS 0.25. WORKLOAD LIMIT IS 120 LBS. GAP AT SNAP IS 0.4375 LBS
END ITEM IDENTIFICATIONA/A 49E-36 7.6
MATERIALSTEEL COMP 316 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3777T21?
3777T21 is a SNAP HOOK.
What is the NSN for 3777T21?
3777T21 is cataloged in the U.S. Government catalog under NSN 5340-01-626-6084. This indicates validated use in U.S. government and defense supply chains.
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