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211071816 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

211071816: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 4.4000 INCHES NOMINAL IN, length: 4.4000 INCHES NOMINAL IN, material: NICKEL ALLOY, body_thickness: 0.1200 INCHES NOMINAL IN, securing_device_type: SPECIAL, peripheral_shape_style: RECTANGLE, MULTI HOLES. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-408-7154, 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
211071816
NSN: 5340-01-408-7154
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
width4.4000 INCHES NOMINAL IN
length4.4000 INCHES NOMINAL IN
materialNICKEL ALLOY
body_thickness0.1200 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, MULTI HOLES
hole_quantity_along_width3
hole_quantity_along_length3
cross-sectional_shape_styleFLAT
distance_between_holes_along_width1.7000 INCHES NOMINAL IN
distance_between_holes_along_length1.7000 INCHES NOMINAL IN
material_document_and_classificationQQ-N-281, CL A FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-408-7154
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 211071816 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: 0.5000 INCHES NOMINAL IN
•
LENGTH: 4.4000 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 1.7000 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 3
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 1.7000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281, CL A FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: SPECIAL
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.5000 INCHES NOMINAL IN
LENGTH4.4000 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH1.7000 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH3
DISTANCE BETWEEN HOLES ALONG WIDTH1.7000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281, CL A FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPESPECIAL
HOLE QUANTITY ALONG WIDTH3
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.5000 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 1
582-6408329 FIND 62Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 211071816?
211071816 is a COVER,ACCESS.
What parts can replace 211071816?
There is 1 known substitute for 211071816: 582-6408329 FIND 62. Substitute compatibility should be verified for your specific system.
What is the NSN for 211071816?
211071816 is cataloged in the U.S. Government catalog under NSN 5340-01-408-7154. 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.