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33975T63 — HOOK,LATCH,AIRCRAFT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

33975T63: HOOK,LATCH,AIRCRAFT.

The HOOK,LATCH,AIRCRAFT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 HOOK, design_type: LOOSE, overall_length: 4.000 INCHES NOMINAL IN, inside_diameter: 0.580 INCHES NOMINAL IN, unattached_ring: NOT INCLUDED, end_connection_style: ROUND EYE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-393-8516, 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
33975T63
NSN: 5340-01-393-8516
NIINs: 013938516, 016002244
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL COMP 316 HOOK
design_typeLOOSE
overall_length4.000 INCHES NOMINAL IN
inside_diameter0.580 INCHES NOMINAL IN
unattached_ringNOT INCLUDED
end_connection_styleROUND EYE
hook_style_designatorPIVOT
rubber_covered_featureNOT INCLUDED
NSN5340-01-393-8516
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 33975T63 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
•
END CONNECTION STYLE: ROUND EYE
•
INSIDE DIAMETER: 0.580 INCHES NOMINAL IN
•
HOOK STYLE DESIGNATOR: PIVOT
•
MATERIAL: STEEL COMP 316 HOOK
•
RUBBER COVERED FEATURE: NOT INCLUDED
TECHNICAL CHARACTERISTICS
UNATTACHED RINGNOT INCLUDED
DESIGN TYPELOOSE
OVERALL LENGTH4.000 INCHES NOMINAL IN
END CONNECTION STYLEROUND EYE
INSIDE DIAMETER0.580 INCHES NOMINAL IN
HOOK STYLE DESIGNATORPIVOT
MATERIALSTEEL COMP 316 HOOK
RUBBER COVERED FEATURENOT INCLUDED
SUBSTITUTES & CROSS-REFERENCES 1
3126253-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 33975T63?
33975T63 is a HOOK,LATCH,AIRCRAFT.
What parts can replace 33975T63?
There is 1 known substitute for 33975T63: 3126253-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 33975T63?
33975T63 is cataloged in the U.S. Government catalog under NSN 5340-01-393-8516. 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.