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Technical Data Sheet
PartsTable / COMPONENT / 734-3/8
734-3/8 ✓ 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 734-3/8 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-462-4491, 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
734-3/8
NSN: 5340-00-462-4491
FSC: 5340
CAGE: 76786 — BUCKLES INTERNATIONAL, INC. (USA)
SPECIFICATIONS
Part Number734-3/8
NSN5340-00-462-4491
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 734-3/8 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
•
MATERIAL: STEEL HOOK
•
END POSITION: CONNECTION END IN SAME PLANE AS HOOK END
•
HOOK STYLE DESIGNATOR: SPRING BLADE
•
UNATTACHED RING: NOT INCLUDED
•
DESIGN TYPE: FIXED
•
RUBBER COVERED FEATURE: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL HOOK
MATERIALSTEEL BLADE
END POSITIONCONNECTION END IN SAME PLANE AS HOOK END
HOOK STYLE DESIGNATORSPRING BLADE
UNATTACHED RINGNOT INCLUDED
DESIGN TYPEFIXED
RUBBER COVERED FEATURENOT INCLUDED
DESIGN TYPESWIVEL
INSIDE WIDTH0.250 INCHES NOMINAL IN
END CONNECTION STYLESWIVEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
9172109Upgraded Successor
successor cross-reference
successor
2V2569Upgraded Successor
successor cross-reference
successor
734Upgraded Successor
successor cross-reference
successor
73438Interchangeable
interchangeable cross-reference
interchangeable
5305PL1370990Interchangeable
interchangeable cross-reference
interchangeable
0740672Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 734-3/8?
734-3/8 is a 734-3/8.
What parts can replace 734-3/8?
There are 9 known substitutes for 734-3/8: 9172109, 2V2569, 734 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 734-3/8?
734-3/8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-462-4491. 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