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PartsTable / COMPONENT / 12937596
12937596 ✓ 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 MOUNT,RESILIENT,UTILITY is a the manufacturer industrial component. Key specifications include height: 0.880 INCHES NOMINAL IN, stud_length: 0.038 INCHES NOMINAL ALL THREADED STUD IN, thread_size: 3/16-32 ALL THREADED PORTIONS, style_designator: STUD AND NUT, major_outside_diameter: 0.560 INCHES NOMINAL IN, end_item_identification: USED ON THE ABRAMS M-1 TANK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-490-6243, 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
12937596
NSN: 5340-01-490-6243
FSC: 5340
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
height0.880 INCHES NOMINAL IN
stud_length0.038 INCHES NOMINAL ALL THREADED STUD IN
thread_size3/16-32 ALL THREADED PORTIONS
style_designatorSTUD AND NUT
major_outside_diameter0.560 INCHES NOMINAL IN
end_item_identificationUSED ON THE ABRAMS M-1 TANK
NSN5340-01-490-6243
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12937596 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
•
STYLE DESIGNATOR: STUD AND NUT
•
HEIGHT: 0.880 INCHES NOMINAL IN
•
THREAD SIZE: 3/16-32 ALL THREADED PORTIONS
•
MAJOR OUTSIDE DIAMETER: 0.560 INCHES NOMINAL IN
•
STUD LENGTH: 0.038 INCHES NOMINAL ALL THREADED STUD IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONUSED ON THE ABRAMS M-1 TANK
STYLE DESIGNATORSTUD AND NUT
HEIGHT0.880 INCHES NOMINAL IN
THREAD SIZE3/16-32 ALL THREADED PORTIONS
MAJOR OUTSIDE DIAMETER0.560 INCHES NOMINAL IN
STUD LENGTH0.038 INCHES NOMINAL ALL THREADED STUD IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
55577-29X1PC37Interchangeable
interchangeable cross-reference
interchangeable
51047Interchangeable
interchangeable cross-reference
interchangeable
120 47/64Interchangeable
interchangeable cross-reference
interchangeable
46147Interchangeable
interchangeable cross-reference
interchangeable
510Interchangeable
interchangeable cross-reference
interchangeable
12088Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12937596?
12937596 is a MOUNT,RESILIENT,UTILITY.
What parts can replace 12937596?
There are 18 known substitutes for 12937596: 55577-29X1PC37, 51047, 120 47/64 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12937596?
12937596 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-490-6243. 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