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6403000-2 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6403000-2: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 3.6000 INCHES NOMINAL IN, length: 9.0000 INCHES NOMINAL IN, material: PLASTIC, corner_radius: 0.5000 INCHES NOMINAL IN, hole_diameter: 0.2090 INCHES NOMINAL IN, body_thickness: 0.1250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-429-0353, 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
6403000-2
NSN: 5340-01-429-0353
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
width3.6000 INCHES NOMINAL IN
length9.0000 INCHES NOMINAL IN
materialPLASTIC
corner_radius0.5000 INCHES NOMINAL IN
hole_diameter0.2090 INCHES NOMINAL IN
body_thickness0.1250 INCHES NOMINAL IN
securing_device_typeSPECIAL
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
distance_between_holes_along_length6.7000 INCHES NOMINAL IN
material_document_and_classificationMIL-P-15037,GME MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-429-0353
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6403000-2 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: 0.5000 INCHES NOMINAL IN
•
LENGTH: 9.0000 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 6.7000 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-15037,GME MIL SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: SPECIAL
•
WIDTH: 3.6000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CORNER RADIUS0.5000 INCHES NOMINAL IN
LENGTH9.0000 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH6.7000 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-15037,GME MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPESPECIAL
WIDTH3.6000 INCHES NOMINAL IN
MATERIALPLASTIC
HOLE DIAMETER0.2090 INCHES NOMINAL IN
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 6403000-2?
6403000-2 is a COVER,ACCESS.
What is the NSN for 6403000-2?
6403000-2 is cataloged in the U.S. Government catalog under NSN 5340-01-429-0353. 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.