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04100131 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

04100131: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, corner_radius: 0.375 INCHES NOMINAL IN, body_thickness: 0.074 INCHES NOMINAL IN, special_features: MATERIAL: 14 GA (.0747), width_across_flats: 12.000 INCHES NOMINAL IN, bolt_circle_diameter: 11.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-103-3271, 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
04100131
NSN: 5340-01-103-3271
FSC: 5340 — Hardware, Commercial
CAGE: 57386 — C-WAY INDUSTRIES INC (CAN)
SPECIFICATIONS
materialSTEEL
corner_radius0.375 INCHES NOMINAL IN
body_thickness0.074 INCHES NOMINAL IN
corner_quantity8
special_featuresMATERIAL: 14 GA (.0747)
width_across_flats12.000 INCHES NOMINAL IN
bolt_circle_diameter11.250 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleREGULAR POLYGON, MULTI HOLES
end_item_identificationDEISEL HEATER
bolt_circle_hole_quantity8
cross-sectional_shape_styleFLAT
NSN5340-01-103-3271
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 04100131 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
•
WIDTH ACROSS FLATS: 12.000 INCHES NOMINAL IN
•
CORNER QUANTITY: 8
•
CORNER RADIUS: 0.375 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 8
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: THREADED FASTENER
•
BOLT CIRCLE DIAMETER: 11.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS12.000 INCHES NOMINAL IN
CORNER QUANTITY8
CORNER RADIUS0.375 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY8
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPETHREADED FASTENER
BOLT CIRCLE DIAMETER11.250 INCHES NOMINAL IN
SPECIAL FEATURESMATERIAL: 14 GA (.0747)
PERIPHERAL SHAPE STYLEREGULAR POLYGON, MULTI HOLES
PART NAME ASSIGNED BY CONTROLLING AGENCYMAGNETO,COVER PLATE
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
B04100131Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 04100131?
04100131 is a COVER,ACCESS.
What parts can replace 04100131?
There is 1 known substitute for 04100131: B04100131. Substitute compatibility should be verified for your specific system.
What is the NSN for 04100131?
04100131 is cataloged in the U.S. Government catalog under NSN 5340-01-103-3271. 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.