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751-6402605-3 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

751-6402605-3: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 4.350 INCHES NOMINAL IN, length: 16.000 INCHES NOMINAL IN, material: PLASTIC ACETAL, slot_width: 0.688 INCHES NOMINAL IN, slot_length: 2.120 INCHES NOMINAL IN, body_thickness: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-512-0570, 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
751-6402605-3
NSN: 5340-01-512-0570
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
width4.350 INCHES NOMINAL IN
length16.000 INCHES NOMINAL IN
materialPLASTIC ACETAL
slot_width0.688 INCHES NOMINAL IN
slot_length2.120 INCHES NOMINAL IN
body_thickness0.250 INCHES NOMINAL IN
special_featuresHAS ONE CLOSED SLOT CENTERED IN THE MIDDLE LENGTHWISE AND 2.441 INCH FROM BOTTOM LONG EDGE; MOUNTING HOLES ARE 0.406 INCH IN DIAMETER IN
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, MULTI HOLES
hole_quantity_along_width4
hole_quantity_along_length2
cross-sectional_shape_styleFLAT
NSN5340-01-512-0570
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 751-6402605-3 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: 0.406 INCHES NOMINAL IN
•
LENGTH: 16.000 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 4.782 INCHES MINIMUM AND 5.624 INCHES MAXIMUM IN
•
HOLE QUANTITY ALONG LENGTH: 2
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 3.538 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: CLOSED VERTICAL SLOT
•
MATERIAL DOCUMENT AND CLASSIFICATION: DUPONT, DELRIN, COMPOSITION 100AF MFR REF SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.406 INCHES NOMINAL IN
LENGTH16.000 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH4.782 INCHES MINIMUM AND 5.624 INCHES MAXIMUM IN
HOLE QUANTITY ALONG LENGTH2
DISTANCE BETWEEN HOLES ALONG WIDTH3.538 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLECLOSED VERTICAL SLOT
MATERIAL DOCUMENT AND CLASSIFICATIONDUPONT, DELRIN, COMPOSITION 100AF MFR REF SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPESPECIAL
HOLE QUANTITY ALONG WIDTH4
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 9
751-6402603-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
751-6402603 FIND 3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
751-6402607-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
751-6402695 ASSEMBLY 67Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
751-6402695-AY67Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
751-6402601 FIND 3Same 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 751-6402605-3?
751-6402605-3 is a COVER,ACCESS.
What parts can replace 751-6402605-3?
There are 9 known substitutes for 751-6402605-3: 751-6402603-3, 751-6402603 FIND 3, 751-6402607-3 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 751-6402605-3?
751-6402605-3 is cataloged in the U.S. Government catalog under NSN 5340-01-512-0570. 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.