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6393453-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6393453-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.750 INCHES NOMINAL IN, length: 2.750 INCHES NOMINAL IN, material: COPPER ALLOY AND NICKEL ALLOY, corner_bevel_length: 0.120 INCHES NOMINAL IN, peripheral_shape_style: RECTANGLE, FOUR HOLES, distance_from_first_hole_centerline_to_end_along_width: 0.720 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-524-8312, 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
6393453-1
NSN: 5340-01-524-8312
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
width2.750 INCHES NOMINAL IN
length2.750 INCHES NOMINAL IN
materialCOPPER ALLOY AND NICKEL ALLOY
corner_bevel_length0.120 INCHES NOMINAL IN
peripheral_shape_styleRECTANGLE, FOUR HOLES
distance_from_first_hole_centerline_to_end_along_width0.720 INCHES NOMINAL IN
distance_from_first_hole_centerline_to_end_along_length0.720 INCHES NOMINAL IN
distance_between_hole_centerline_and_first_hole_along_width0.950 INCHES NOMINAL IN
distance_between_hole_centerline_and_first_hole_along_length0.950 INCHES NOMINAL IN
NSN5340-01-524-8312
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6393453-1 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: 0.720 INCHES NOMINAL IN
•
LENGTH: 2.750 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG LENGTH: 0.950 INCHES NOMINAL IN
•
CORNER BEVEL LENGTH: 0.120 INCHES NOMINAL IN
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 0.720 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG WIDTH: 0.950 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: RECTANGLE, FOUR HOLES
•
WIDTH: 2.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.720 INCHES NOMINAL IN
LENGTH2.750 INCHES NOMINAL IN
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG LENGTH0.950 INCHES NOMINAL IN
CORNER BEVEL LENGTH0.120 INCHES NOMINAL IN
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.720 INCHES NOMINAL IN
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG WIDTH0.950 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLERECTANGLE, FOUR HOLES
WIDTH2.750 INCHES NOMINAL IN
MATERIALCOPPER ALLOY AND NICKEL ALLOY
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 2
6393438 FIND 007Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6393437 FIND 007Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 6393453-1?
6393453-1 is a COVER,ACCESS.
What parts can replace 6393453-1?
There are 2 known substitutes for 6393453-1: 6393438 FIND 007, 6393437 FIND 007. Substitute compatibility should be verified for your specific system.
What is the NSN for 6393453-1?
6393453-1 is cataloged in the U.S. Government catalog under NSN 5340-01-524-8312. 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.