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10865940 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

10865940: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 4.438 INCHES NOMINAL IN, length: 4.438 INCHES NOMINAL IN, material: ALUMINUM ALLOY 5083 OR ALUMINUM, corner_radius: 0.469 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN, hole_diameter: 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, body_thickness: 1.425 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-781-8559, 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
10865940
NSN: 5340-00-781-8559
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
width4.438 INCHES NOMINAL IN
length4.438 INCHES NOMINAL IN
materialALUMINUM ALLOY 5083 OR ALUMINUM
corner_radius0.469 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
hole_diameter0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
body_thickness1.425 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN
bolt_circle_diameter4.375 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleTRIANGLE, ROUNDED CORNERS, THREE HOLES
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationMIL-A-46027,ARMOR MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-A-46083,ARMOR,CLASS I OR II MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-781-8559
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 10865940 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
•
CORNER RADIUS: 0.469 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
•
LENGTH: 4.438 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-A-46027,ARMOR MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-A-46083,ARMOR,CLASS I OR II MIL SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: THREADED FASTENER
•
BOLT CIRCLE DIAMETER: 4.375 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: TRIANGLE, ROUNDED CORNERS, THREE HOLES
TECHNICAL CHARACTERISTICS
CORNER RADIUS0.469 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
LENGTH4.438 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-46027,ARMOR MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-A-46083,ARMOR,CLASS I OR II MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPETHREADED FASTENER
BOLT CIRCLE DIAMETER4.375 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLETRIANGLE, ROUNDED CORNERS, THREE HOLES
WIDTH4.438 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 5083 OR ALUMINUM
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10865940?
10865940 is a COVER,ACCESS.
What is the NSN for 10865940?
10865940 is cataloged in the U.S. Government catalog under NSN 5340-00-781-8559. This indicates validated use in U.S. government and defense supply chains.
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