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12543066 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12543066: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, width: 1.18 INCHES NOMINAL IN, length: 1.59 INCHES NOMINAL IN, material: STEEL,CARBON, special_features: "MADE OF CARBON STEEL, WITH A ZINC NICKEL PLATING FINISH THAT IS ROHS COMPLIANT", surface_treatment: ZINC. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-355-6821, 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
12543066
NSN: 5340-01-355-6821
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
shapeRECTANGULAR
width1.18 INCHES NOMINAL IN
length1.59 INCHES NOMINAL IN
materialSTEEL,CARBON
special_features"MADE OF CARBON STEEL, WITH A ZINC NICKEL PLATING FINISH THAT IS ROHS COMPLIANT"
surface_treatmentZINC
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, TWO HOLES
end_item_identificationMRAP; FAMILY OF HEMTT VEHICLES (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS)
part_name_assigned_by_controlling_agencyCOVER PLATE FOR THE GROUP 2 STANDARD CLAMP
distance_from_first_hole_centerline_to_end_along_width0.590 INCHES NOMINAL IN
distance_from_first_hole_centerline_to_end_along_length0.280 INCHES NOMINAL IN
NSN5340-01-355-6821
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12543066 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: 0.590 INCHES NOMINAL IN
•
LENGTH: 1.59 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG LENGTH: 1.024 INCHES NOMINAL IN
•
SHAPE: RECTANGULAR
•
SECURING DEVICE TYPE: THREADED FASTENER
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 0.280 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG WIDTH: 0.590 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.590 INCHES NOMINAL IN
LENGTH1.59 INCHES NOMINAL IN
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG LENGTH1.024 INCHES NOMINAL IN
SHAPERECTANGULAR
SECURING DEVICE TYPETHREADED FASTENER
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.280 INCHES NOMINAL IN
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG WIDTH0.590 INCHES NOMINAL IN
SPECIAL FEATURES"MADE OF CARBON STEEL, WITH A ZINC NICKEL PLATING FINISH THAT IS ROHS COMPLIANT"
SURFACE TREATMENTZINC
PERIPHERAL SHAPE STYLERECTANGLE, TWO HOLES
SUBSTITUTES & CROSS-REFERENCES 6
121PA1319-043Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A210606000357Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DP-2W3Reference document
Same NSN cross-reference
Reference document — Secondary reference
DP-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
1467270Reference document
Same NSN cross-reference
Reference document — Secondary reference
9325C11-1460-07Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 12543066?
12543066 is a COVER,ACCESS.
What parts can replace 12543066?
There are 6 known substitutes for 12543066: 121PA1319-043, A210606000357, DP-2W3 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12543066?
12543066 is cataloged in the U.S. Government catalog under NSN 5340-01-355-6821. 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.