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12421497 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12421497: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.780 INCHES NOMINAL IN, length: 2.530 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING, body_thickness: 0.250 INCHES NOMINAL IN, securing_device_type: THREADED FASTENER, peripheral_shape_style: RECTANGLE, MULTI HOLES. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-480-0797, 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
12421497
NSN: 5340-01-480-0797
NIINs: 014800797, 014800801
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
width2.780 INCHES NOMINAL IN
length2.530 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING
body_thickness0.250 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, MULTI HOLES
end_item_identification2320-01-354-3384
hole_quantity_along_length4
cross-sectional_shape_styleFLAT
distance_between_holes_along_length2.000 INCHES NOMINAL IN
distance_from_first_hole_centerline_to_end_along_width1.390 INCHES NOMINAL IN
distance_from_first_hole_centerline_to_end_along_length1.250 INCHES NOMINAL IN
NSN5340-01-480-0797
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12421497 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
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH: 1.390 INCHES NOMINAL IN
•
LENGTH: 2.530 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 1.000 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 5
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: THREADED FASTENER
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 1.250 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: RECTANGLE, MULTI HOLES
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH1.390 INCHES NOMINAL IN
LENGTH2.530 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH1.000 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH5
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPETHREADED FASTENER
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH1.250 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLERECTANGLE, MULTI HOLES
WIDTH2.780 INCHES NOMINAL IN
END ITEM IDENTIFICATION2320-01-354-3384
SUBSTITUTES & CROSS-REFERENCES 1
12421497-002Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12421497?
12421497 is a COVER,ACCESS.
What parts can replace 12421497?
There is 1 known substitute for 12421497: 12421497-002. Substitute compatibility should be verified for your specific system.
What is the NSN for 12421497?
12421497 is cataloged in the U.S. Government catalog under NSN 5340-01-480-0797. 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.