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751-6402372-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

751-6402372-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.880 INCHES NOMINAL IN, length: 5.250 INCHES NOMINAL IN, material: STEEL, corner_radius: 0.120 INCHES NOMINAL IN, hole_diameter: 0.281 INCHES NOMINAL IN, body_thickness: 0.380 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-398-5089, 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
751-6402372-1
NSN: 5340-01-398-5089
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
width2.880 INCHES NOMINAL IN
length5.250 INCHES NOMINAL IN
materialSTEEL
corner_radius0.120 INCHES NOMINAL IN
hole_diameter0.281 INCHES NOMINAL IN
body_thickness0.380 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, MULTI HOLES
hole_quantity_along_width4
hole_quantity_along_length5
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
NSN5340-01-398-5089
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 751-6402372-1 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: 0.250 INCHES NOMINAL IN
•
CORNER RADIUS: 0.120 INCHES NOMINAL IN
•
LENGTH: 5.250 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 2.125 INCHES NOMINAL AND 1.062 INCHES NOMINAL AND 1.000 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 5
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 2.250 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.250 INCHES NOMINAL IN
CORNER RADIUS0.120 INCHES NOMINAL IN
LENGTH5.250 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH2.125 INCHES NOMINAL AND 1.062 INCHES NOMINAL AND 1.000 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH5
DISTANCE BETWEEN HOLES ALONG WIDTH2.250 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPESPECIAL
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
751-6402360-1Same 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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 751-6402372-1?
751-6402372-1 is a COVER,ACCESS.
What parts can replace 751-6402372-1?
There is 1 known substitute for 751-6402372-1: 751-6402360-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 751-6402372-1?
751-6402372-1 is cataloged in the U.S. Government catalog under NSN 5340-01-398-5089. 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.