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40810049 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

40810049: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 3.375 INCHES NOMINAL IN, length: 2.729 INCHES NOMINAL IN, material: STEEL, hole_diameter: 0.281 INCHES NOMINAL IN, inside_length: 5.500 INCHES NOMINAL IN, body_thickness: 0.104 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-606-7115, 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
40810049
NSN: 5340-01-606-7115
FSC: 5340 — Hardware, Commercial
CAGE: 5W3V7 — AMENTUM SERVICES, INC. (USA)
SPECIFICATIONS
width3.375 INCHES NOMINAL IN
length2.729 INCHES NOMINAL IN
materialSTEEL
hole_diameter0.281 INCHES NOMINAL IN
inside_length5.500 INCHES NOMINAL IN
body_thickness0.104 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, TWO HOLES
end_item_identification2350-01-592-2738
first_recess_inside_height2.625 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE OR RECTANGULAR RECESS
mounting_opening_shape_styleUNTHREADED HOLE
NSN5340-01-606-7115
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 40810049 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: 3.000 INCHES NOMINAL IN
•
LENGTH: 2.729 INCHES NOMINAL IN
•
INSIDE LENGTH: 5.500 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 2.625 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG LENGTH: 4.000 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE OR RECTANGULAR RECESS
•
SECURING DEVICE TYPE: THREADED FASTENER
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH3.000 INCHES NOMINAL IN
LENGTH2.729 INCHES NOMINAL IN
INSIDE LENGTH5.500 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT2.625 INCHES NOMINAL IN
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG LENGTH4.000 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLESQUARE OR RECTANGULAR RECESS
SECURING DEVICE TYPETHREADED FASTENER
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.750 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLERECTANGLE, TWO HOLES
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 40810049?
40810049 is a COVER,ACCESS.
What is the NSN for 40810049?
40810049 is cataloged in the U.S. Government catalog under NSN 5340-01-606-7115. 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.