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Technical Data Sheet
PartsTable / COMPONENT / SM-B-157525
SM-B-157525 ✓ 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 CLAMP,SYNCHRO is a the manufacturer industrial component. Key specifications include width: 0.937 INCHES NOMINAL IN, height: 0.064 INCHES NOMINAL IN, length: 1.125 INCHES NOMINAL IN, material: STEEL, hole_diameter: 0.250 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 5340-00-396-3401, 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-B-157525
NSN: 5340-00-396-3401
FSC: 5340
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
width0.937 INCHES NOMINAL IN
height0.064 INCHES NOMINAL IN
length1.125 INCHES NOMINAL IN
materialSTEEL
hole_diameter0.250 INCHES NOMINAL IN
NSN5340-00-396-3401
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SM-B-157525 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
•
HOLE DIAMETER: 0.250 INCHES NOMINAL IN
•
LENGTH: 1.125 INCHES NOMINAL IN
•
HEIGHT: 0.064 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
WIDTH: 0.937 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.250 INCHES NOMINAL IN
LENGTH1.125 INCHES NOMINAL IN
HEIGHT0.064 INCHES NOMINAL IN
MATERIALSTEEL
WIDTH0.937 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
6515NCM020863Upgraded Successor
successor cross-reference
successor
115.50Upgraded Successor
successor cross-reference
successor
02-1402Upgraded Successor
successor cross-reference
successor
8006Interchangeable
interchangeable cross-reference
interchangeable
570C-403Interchangeable
interchangeable cross-reference
interchangeable
ASME B94.19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-B-157525?
SM-B-157525 is a CLAMP,SYNCHRO.
What parts can replace SM-B-157525?
There are 19 known substitutes for SM-B-157525: 6515NCM020863, 115.50, 02-1402 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-B-157525?
SM-B-157525 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-396-3401. 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