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11B5091418 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11B5091418: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.81 INCHES NOMINAL IN, length: 4.56 INCHES NOMINAL IN, material: ALUMINUM, peripheral_shape_style: RECTANGLE, NO HOLES, part_name_assigned_by_controlling_agency: COVER,ACCESS. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-621-3969, 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
11B5091418
NSN: 5340-01-621-3969
FSC: 5340 — Hardware, Commercial
CAGE: 5B5M3 — DEVCOM CHEMICAL BIOLOGICAL CENTER DBA CHEMICAL BIOLOGICAL CENTER DIV U.S. DEPT OF ARMY (USA)
SPECIFICATIONS
width2.81 INCHES NOMINAL IN
length4.56 INCHES NOMINAL IN
materialALUMINUM
peripheral_shape_styleRECTANGLE, NO HOLES
part_name_assigned_by_controlling_agencyCOVER,ACCESS
NSN5340-01-621-3969
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11B5091418 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: 4.56 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: RECTANGLE, NO HOLES
•
WIDTH: 2.81 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM
TECHNICAL CHARACTERISTICS
LENGTH4.56 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLERECTANGLE, NO HOLES
WIDTH2.81 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCOVER,ACCESS
MATERIALALUMINUM
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11B5091418?
11B5091418 is a COVER,ACCESS.
What is the NSN for 11B5091418?
11B5091418 is cataloged in the U.S. Government catalog under NSN 5340-01-621-3969. 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.