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7264791 ✓ 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 WASHER,CONVEX is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8630 OVERALL, hole_diameter: 0.376 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN, outside_diameter: 0.750 INCHES NOMINAL IN, style_designator: CONVEX, material_thickness: 0.090 INCHES NOMINAL IN, minimum_tensile_strength: 125000 POUNDS PER SQUARE INCH LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-466-1978, 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
7264791
NSN: 5340-00-466-1978
FSC: 5340
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 8630 OVERALL
hole_diameter0.376 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
outside_diameter0.750 INCHES NOMINAL IN
style_designatorCONVEX
material_thickness0.090 INCHES NOMINAL IN
minimum_tensile_strength125000 POUNDS PER SQUARE INCH LBS
material_document_and_classificationMIL-S-6050,COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5340-00-466-1978
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7264791 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
•
ACTION TYPE: SPRING
TECHNICAL CHARACTERISTICS (FLIS)
ACTION TYPESPRING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
AT-155Interchangeable
interchangeable cross-reference
interchangeable
560751Interchangeable
interchangeable cross-reference
interchangeable
2659960Interchangeable
interchangeable cross-reference
interchangeable
726479-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7264791?
7264791 is a WASHER,CONVEX.
What parts can replace 7264791?
There are 4 known substitutes for 7264791: AT-155, 560751, 2659960 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7264791?
7264791 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-466-1978. 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