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PartsTable / COMPONENT / 12421495
12421495 ✓ 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 BUTTON,PLUG is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR, overall_height: 0.760 INCHES NOMINAL IN, style_designator: MUSHROOM, head_outside_diameter: 1.840 INCHES NOMINAL IN, bottom_outside_diameter: 1.000 INCHES NOMINAL IN, end_item_identification: USED ON 2 1/2T -LMTV-W/E-VEHICLES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-482-6103, 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
12421495
NSN: 5340-01-482-6103
FSC: 5340
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
overall_height0.760 INCHES NOMINAL IN
style_designatorMUSHROOM
head_outside_diameter1.840 INCHES NOMINAL IN
bottom_outside_diameter1.000 INCHES NOMINAL IN
end_item_identificationUSED ON 2 1/2T -LMTV-W/E-VEHICLES
hole_accommodation_diameter1.359 INCHES MINIMUM AND 1.407 INCHES MAXIMUM IN
NSN5340-01-482-6103
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12421495 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
•
BOTTOM OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
HEAD OUTSIDE DIAMETER: 1.840 INCHES NOMINAL IN
•
STYLE DESIGNATOR: MUSHROOM
•
HOLE ACCOMMODATION DIAMETER: 1.359 INCHES MINIMUM AND 1.407 INCHES MAXIMUM IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR
TECHNICAL CHARACTERISTICS (FLIS)
BOTTOM OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
HEAD OUTSIDE DIAMETER1.840 INCHES NOMINAL IN
OVERALL HEIGHT0.760 INCHES NOMINAL IN
STYLE DESIGNATORMUSHROOM
HOLE ACCOMMODATION DIAMETER1.359 INCHES MINIMUM AND 1.407 INCHES MAXIMUM IN
MATERIALRUBBER CHLOROPRENE CLASS CR
END ITEM IDENTIFICATIONUSED ON 2 1/2T -LMTV-W/E-VEHICLES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
5712Interchangeable
interchangeable cross-reference
interchangeable
60963Interchangeable
interchangeable cross-reference
interchangeable
80290AInterchangeable
interchangeable cross-reference
interchangeable
1037-7188-96Interchangeable
interchangeable cross-reference
interchangeable
50-528-0029-89Interchangeable
interchangeable cross-reference
interchangeable
SF2713-6001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12421495?
12421495 is a BUTTON,PLUG.
What parts can replace 12421495?
There are 17 known substitutes for 12421495: 5712, 60963, 80290A and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12421495?
12421495 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-482-6103. 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