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12489254-2 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12489254-2: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, peripheral_shape_style: RECTANGLE, FOUR HOLES, end_item_identification: FMTV ADD ON ARMOR, CPK2, part_name_assigned_by_controlling_agency: VENT COVER, CURB SIDE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-531-5243, 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
12489254-2
NSN: 5340-01-531-5243
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
peripheral_shape_styleRECTANGLE, FOUR HOLES
end_item_identificationFMTV ADD ON ARMOR, CPK2
part_name_assigned_by_controlling_agencyVENT COVER, CURB SIDE
NSN5340-01-531-5243
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12489254-2 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
•
PERIPHERAL SHAPE STYLE: RECTANGLE, FOUR HOLES
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
PERIPHERAL SHAPE STYLERECTANGLE, FOUR HOLES
PART NAME ASSIGNED BY CONTROLLING AGENCYVENT COVER, CURB SIDE
END ITEM IDENTIFICATIONFMTV ADD ON ARMOR, CPK2
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
12489254Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 12489254-2?
12489254-2 is a COVER,ACCESS.
What parts can replace 12489254-2?
There is 1 known substitute for 12489254-2: 12489254. Substitute compatibility should be verified for your specific system.
What is the NSN for 12489254-2?
12489254-2 is cataloged in the U.S. Government catalog under NSN 5340-01-531-5243. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.