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5125356 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5125356: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 9.688 INCHES NOMINAL IN, length: 18.375 INCHES NOMINAL IN, material: STEEL, ear_radius: 0.500 INCHES NOMINAL IN, corner_radius: 0.875 INCHES NOMINAL IN, body_thickness: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-089-6430, 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
5125356
NSN: 5340-00-089-6430
FSC: 5340 — Hardware, Commercial
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
width9.688 INCHES NOMINAL IN
length18.375 INCHES NOMINAL IN
materialSTEEL
ear_radius0.500 INCHES NOMINAL IN
corner_radius0.875 INCHES NOMINAL IN
body_thickness0.062 INCHES NOMINAL IN
inside_diameter8.625 INCHES NOMINAL IN
inverted_radius0.500 INCHES NOMINAL IN
flange_thickness0.062 INCHES NOMINAL IN
inside_corner_radius1.500 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, ROUNDED CORNERS, FOUR EARS AN D HOLES
NSN5340-00-089-6430
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5125356 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: 0.500 INCHES NOMINAL IN
•
CORNER RADIUS: 0.875 INCHES NOMINAL IN
•
LENGTH: 18.375 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 10.812 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.062 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 1.500 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 4.062 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 9.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.500 INCHES NOMINAL IN
CORNER RADIUS0.875 INCHES NOMINAL IN
LENGTH18.375 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH10.812 INCHES NOMINAL IN
FLANGE THICKNESS0.062 INCHES NOMINAL IN
INSIDE CORNER RADIUS1.500 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT4.062 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH9.500 INCHES NOMINAL IN
EAR RADIUS0.500 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
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 4
PC5121044Reference document
Same NSN cross-reference
Reference document — Secondary reference
5340PL2012541Reference document
Same NSN cross-reference
Reference document — Informative reference only
5340000896430Reference document
Same NSN cross-reference
Reference document — Informative reference only
5121044Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 5125356?
5125356 is a COVER,ACCESS.
What parts can replace 5125356?
There are 4 known substitutes for 5125356: PC5121044, 5340PL2012541, 5340000896430 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5125356?
5125356 is cataloged in the U.S. Government catalog under NSN 5340-00-089-6430. 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.