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Technical Data Sheet
PartsTable / O-RING / 403734 ITEM 6
403734 ITEM 6 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include center_hole_diameter: 0.676 INCHES NOMINAL IN, cross-sectional_height: 0.070 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-418-4587, 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
403734 ITEM 6
NSN: 5331-01-418-4587
FSC: 5331 — O-RING
CAGE: 24234 — AUSTIN-WESTRAN LLC (USA)
SPECIFICATIONS
center_hole_diameter0.676 INCHES NOMINAL IN
cross-sectional_height0.070 INCHES NOMINAL IN
NSN5331-01-418-4587
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 403734 ITEM 6 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
•
CROSS-SECTIONAL HEIGHT: 0.070 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.676 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.070 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.676 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
324158Interchangeable
interchangeable cross-reference
interchangeable
11621590Interchangeable
interchangeable cross-reference
interchangeable
30-045-1Interchangeable
interchangeable cross-reference
interchangeable
30045Interchangeable
interchangeable cross-reference
interchangeable
10129312Interchangeable
interchangeable cross-reference
interchangeable
BT0-3C-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 403734 ITEM 6?
403734 ITEM 6 is a O-RING.
What parts can replace 403734 ITEM 6?
There are 10 known substitutes for 403734 ITEM 6: 324158, 11621590, 30-045-1 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 403734 ITEM 6?
403734 ITEM 6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-418-4587. 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