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8058255 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8058255: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: IRON MALLEABLE, body_radius: 0.875 INCHES NOMINAL IN, corner_radius: 0.375 INCHES NOMINAL IN, hole_diameter: 0.313 INCHES NOMINAL IN, body_thickness: 0.250 INCHES NOMINAL IN, special_features: 0.312 IN. DIA HOLE; 0.156 R OPEN END SLOT IN.

This part is cataloged in the U.S. Government catalog under NSN 5340-00-366-3523, 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
8058255
NSN: 5340-00-366-3523
FSC: 5340 — Hardware, Commercial
CAGE: 39VG9 — PROGRESS RAIL LOCOMOTIVE INC. DBA PROGRESS RAIL SWITCHING SERVICES LLC (USA)
SPECIFICATIONS
materialIRON MALLEABLE
body_radius0.875 INCHES NOMINAL IN
corner_radius0.375 INCHES NOMINAL IN
hole_diameter0.313 INCHES NOMINAL IN
body_thickness0.250 INCHES NOMINAL IN
special_features0.312 IN. DIA HOLE; 0.156 R OPEN END SLOT IN
features_providedSEALING CAPABILITY
securing_device_typeTHREADED FASTENER
end_item_identificationLOGISTGICS SUPPORT VESSEL
cross-sectional_shape_styleFLAT W/OPEN CENTER
mounting_opening_shape_styleUNTHREADED HOLE
distance_between_holes_along_length2.000 INCHES NOMINAL IN
NSN5340-00-366-3523
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8058255 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
•
CORNER RADIUS: 0.375 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 2.000 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT W/OPEN CENTER
•
FEATURES PROVIDED: SEALING CAPABILITY
•
SECURING DEVICE TYPE: THREADED FASTENER
•
BODY RADIUS: 0.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CORNER RADIUS0.375 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH2.000 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLEFLAT W/OPEN CENTER
FEATURES PROVIDEDSEALING CAPABILITY
SECURING DEVICE TYPETHREADED FASTENER
BODY RADIUS0.875 INCHES NOMINAL IN
SPECIAL FEATURES0.312 IN. DIA HOLE; 0.156 R OPEN END SLOT IN
END ITEM IDENTIFICATIONLOGISTGICS SUPPORT VESSEL
MATERIALIRON MALLEABLE
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 8058255?
8058255 is a COVER,ACCESS.
What is the NSN for 8058255?
8058255 is cataloged in the U.S. Government catalog under NSN 5340-00-366-3523. 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.