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Technical Data Sheet
PartsTable / O-RING / 7254-0004
7254-0004 ✓ 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 outside_diameter: 0.50 INCHES NOMINAL IN, special_features: INSIDE DIAMETER: 0.343", cross-sectional_height: 0.078 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: O-RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-361-0355, 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
7254-0004
NSN: 5331-01-361-0355
FSC: 5331 — O-RING
CAGE: 24161 — GATES CORPORATION (USA)
SPECIFICATIONS
outside_diameter0.50 INCHES NOMINAL IN
special_featuresINSIDE DIAMETER: 0.343"
cross-sectional_height0.078 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyO-RING
NSN5331-01-361-0355
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7254-0004 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
•
OUTSIDE DIAMETER: 0.50 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.078 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.50 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.078 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING
SPECIAL FEATURESINSIDE DIAMETER: 0.343"
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
MIL-H-43925Interchangeable
interchangeable cross-reference
interchangeable
8-2-501Interchangeable
interchangeable cross-reference
interchangeable
52K401-015A1Interchangeable
interchangeable cross-reference
interchangeable
UG571BUInterchangeable
interchangeable cross-reference
interchangeable
5935PL0982777Interchangeable
interchangeable cross-reference
interchangeable
91695207Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7254-0004?
7254-0004 is a O-RING.
What parts can replace 7254-0004?
There are 7 known substitutes for 7254-0004: MIL-H-43925, 8-2-501, 52K401-015A1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7254-0004?
7254-0004 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-361-0355. 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