PartsTable
Technical Data Sheet
PartsTable / COMPONENT / SM-C-657738-5
SM-C-657738-5 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include outside_diameter: 2.535 INCHES MINIMUM AND 2.545 INCHES MAXIMUM IN, special_features: PLATING ON OUTSIDE SURF ONLY, aperture_diameter: 2.371 INCHES MINIMUM IN, cross-sectional_thickness: 0.014 INCHES MINIMUM AND 0.016 INCHES MAXIMUM 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 5330-01-174-2919, 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
SM-C-657738-5
NSN: 5330-01-174-2919
FSC: 5330
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
outside_diameter2.535 INCHES MINIMUM AND 2.545 INCHES MAXIMUM IN
special_featuresPLATING ON OUTSIDE SURF ONLY
aperture_diameter2.371 INCHES MINIMUM IN
cross-sectional_thickness0.014 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
NSN5330-01-174-2919
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SM-C-657738-5 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: 2.535 INCHES MINIMUM AND 2.545 INCHES MAXIMUM IN
•
CROSS-SECTIONAL THICKNESS: 0.014 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 2.371 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESPLATING ON OUTSIDE SURF ONLY
OUTSIDE DIAMETER2.535 INCHES MINIMUM AND 2.545 INCHES MAXIMUM IN
CROSS-SECTIONAL THICKNESS0.014 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
APERTURE DIAMETER2.371 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
726AVInterchangeable
interchangeable cross-reference
interchangeable
ABT9622Interchangeable
interchangeable cross-reference
interchangeable
T-9622Interchangeable
interchangeable cross-reference
interchangeable
9622Interchangeable
interchangeable cross-reference
interchangeable
M50-156Interchangeable
interchangeable cross-reference
interchangeable
9S6033-113Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-C-657738-5?
SM-C-657738-5 is a GASKET.
What parts can replace SM-C-657738-5?
There are 11 known substitutes for SM-C-657738-5: 726AV, ABT9622, T-9622 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-C-657738-5?
SM-C-657738-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-174-2919. 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