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6181538 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6181538: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 10.250 INCHES NOMINAL IN, length: 10.750 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061, body_thickness: 0.093 INCHES NOMINAL IN, corner_bevel_length: 0.125 INCHES NOMINAL IN, securing_device_type: TURNLOCK FASTENER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-352-1781, 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
6181538
NSN: 5340-01-352-1781
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
width10.250 INCHES NOMINAL IN
length10.750 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061
body_thickness0.093 INCHES NOMINAL IN
corner_bevel_length0.125 INCHES NOMINAL IN
securing_device_typeTURNLOCK FASTENER
peripheral_shape_styleRECTANGLE, NO HOLES
cross-sectional_shape_styleFLAT
NSN5340-01-352-1781
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6181538 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
•
LENGTH: 10.750 INCHES NOMINAL IN
•
CORNER BEVEL LENGTH: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: TURNLOCK FASTENER
•
PERIPHERAL SHAPE STYLE: RECTANGLE, NO HOLES
•
WIDTH: 10.250 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 6061
•
BODY THICKNESS: 0.093 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH10.750 INCHES NOMINAL IN
CORNER BEVEL LENGTH0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPETURNLOCK FASTENER
PERIPHERAL SHAPE STYLERECTANGLE, NO HOLES
WIDTH10.250 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 6061
BODY THICKNESS0.093 INCHES NOMINAL IN
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6181538?
6181538 is a COVER,ACCESS.
What is the NSN for 6181538?
6181538 is cataloged in the U.S. Government catalog under NSN 5340-01-352-1781. 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.