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12359078 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12359078: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 26.500 INCHES NOMINAL IN, length: 36.500 INCHES NOMINAL IN, material: ALUMINUM ALLOY 5083, body_thickness: 0.620 INCHES NOMINAL IN, flange_thickness: 0.250 INCHES NOMINAL IN, corner_bevel_length: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-270-7575, 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
12359078
NSN: 5340-01-270-7575
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
width26.500 INCHES NOMINAL IN
length36.500 INCHES NOMINAL IN
materialALUMINUM ALLOY 5083
body_thickness0.620 INCHES NOMINAL IN
flange_thickness0.250 INCHES NOMINAL IN
corner_bevel_length0.750 INCHES NOMINAL IN
peripheral_shape_styleRECTANGLE, MULTI HOLES
end_item_identification2350-01-248-7620
cross-sectional_shape_styleFLAT, ROUND RIB REINFORCED
distance_from_first_hole_centerline_to_end_along_width0.630 INCHES NOMINAL IN
distance_from_first_hole_centerline_to_end_along_length2.500 INCHES NOMINAL IN
NSN5340-01-270-7575
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12359078 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: 0.630 INCHES NOMINAL IN
•
LENGTH: 36.500 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.250 INCHES NOMINAL IN
•
CORNER BEVEL LENGTH: 0.750 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLAT, ROUND RIB REINFORCED
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 2.500 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: RECTANGLE, MULTI HOLES
•
WIDTH: 26.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.630 INCHES NOMINAL IN
LENGTH36.500 INCHES NOMINAL IN
FLANGE THICKNESS0.250 INCHES NOMINAL IN
CORNER BEVEL LENGTH0.750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT, ROUND RIB REINFORCED
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH2.500 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLERECTANGLE, MULTI HOLES
WIDTH26.500 INCHES NOMINAL IN
END ITEM IDENTIFICATION2350-01-248-7620
MATERIALALUMINUM ALLOY 5083
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)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 12359078?
12359078 is a COVER,ACCESS.
What is the NSN for 12359078?
12359078 is cataloged in the U.S. Government catalog under NSN 5340-01-270-7575. 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.