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2631856G001 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2631856G001: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 7.100 INCHES MINIMUM AND 7.140 INCHES MAXIMUM IN, material: PLASTIC ACETAL, corner_radius: 0.250 INCHES NOMINAL IN, body_thickness: 0.880 INCHES NOMINAL IN, securing_device_type: THREADED FASTENER, peripheral_shape_style: RECTANGLE, MULTI HOLES. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-327-9978, 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
2631856G001
NSN: 5340-01-327-9978
FSC: 5340 — Hardware, Commercial
CAGE: 28527 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
width7.100 INCHES MINIMUM AND 7.140 INCHES MAXIMUM IN
materialPLASTIC ACETAL
corner_radius0.250 INCHES NOMINAL IN
body_thickness0.880 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, MULTI HOLES
end_item_identificationAN/ALQ-172
hole_quantity_along_width8
hole_quantity_along_length4
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
distance_between_holes_along_width1.808 INCHES NOMINAL AND 1.374 INCHES NOMINAL AND 2.688 INCHES NOMINAL IN
NSN5340-01-327-9978
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2631856G001 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: 0.190 INCHES NOMINAL IN
•
CORNER RADIUS: 0.250 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 3.375 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 4
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 1.808 INCHES NOMINAL AND 1.374 INCHES NOMINAL AND 2.688 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: THREADED FASTENER
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.190 INCHES NOMINAL IN
CORNER RADIUS0.250 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH3.375 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH4
DISTANCE BETWEEN HOLES ALONG WIDTH1.808 INCHES NOMINAL AND 1.374 INCHES NOMINAL AND 2.688 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPETHREADED FASTENER
HOLE QUANTITY ALONG WIDTH8
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.250 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2631856G001?
2631856G001 is a COVER,ACCESS.
What is the NSN for 2631856G001?
2631856G001 is cataloged in the U.S. Government catalog under NSN 5340-01-327-9978. 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.