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Technical Data Sheet
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TT372 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SNAP HOOK is a the manufacturer industrial component. Key specifications include material: STEEL BLADE, design_type: SWIVEL, inside_width: 0.250 INCHES NOMINAL IN, overall_length: 1.875 INCHES NOMINAL IN, unattached_ring: NOT INCLUDED, end_connection_style: SWIVEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-605-9472, 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
TT372
NSN: 5340-00-605-9472
FSC: 5340
CAGE: 90598 — ENGINEERED AIR SYSTEMS, INC. DBA DRS SUSTAINMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL BLADE
design_typeSWIVEL
inside_width0.250 INCHES NOMINAL IN
overall_length1.875 INCHES NOMINAL IN
unattached_ringNOT INCLUDED
end_connection_styleSWIVEL
hook_style_designatorSPRING BLADE
rubber_covered_featureNOT INCLUDED
NSN5340-00-605-9472
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: TT372 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: 0.250 INCHES NOMINAL IN
•
MATERIAL: STEEL BLADE
•
RUBBER COVERED FEATURE: NOT INCLUDED
•
UNATTACHED RING: NOT INCLUDED
•
HOOK STYLE DESIGNATOR: SPRING BLADE
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE WIDTH0.250 INCHES NOMINAL IN
OVERALL LENGTH1.875 INCHES NOMINAL IN
MATERIALSTEEL BLADE
MATERIALIRON MALLEABLE CONNECTION END
MATERIALIRON MALLEABLE HOOK
RUBBER COVERED FEATURENOT INCLUDED
UNATTACHED RINGNOT INCLUDED
HOOK STYLE DESIGNATORSPRING BLADE
DESIGN TYPESWIVEL
END CONNECTION STYLESWIVEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
J3150502Upgraded Successor
successor cross-reference
successor
33414Upgraded Successor
successor cross-reference
successor
5228104Interchangeable
interchangeable cross-reference
interchangeable
D33414Interchangeable
interchangeable cross-reference
interchangeable
34211Interchangeable
interchangeable cross-reference
interchangeable
74703Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TT372?
TT372 is a SNAP HOOK.
What parts can replace TT372?
There are 12 known substitutes for TT372: J3150502, 33414, 5228104 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TT372?
TT372 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-605-9472. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026