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6B9503 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6B9503: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 0.625 INCHES NOMINAL IN, length: 1.954 INCHES NOMINAL IN, material: STEEL, hole_diameter: 0.375 INCHES NOMINAL IN, special_features: ONE END DIMPLED, securing_device_type: THREADED FASTENER. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-352-1912, 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
6B9503
NSN: 5340-00-352-1912
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
width0.625 INCHES NOMINAL IN
length1.954 INCHES NOMINAL IN
materialSTEEL
hole_diameter0.375 INCHES NOMINAL IN
special_featuresONE END DIMPLED
securing_device_typeTHREADED FASTENER
peripheral_shape_styleOVAL, ONE HOLE
mounting_opening_shape_styleUNTHREADED HOLE
distance_from_first_hole_centerline_to_end_along_length0.406 INCHES NOMINAL IN
NSN5340-00-352-1912
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6B9503 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
•
LENGTH: 1.954 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
SECURING DEVICE TYPE: THREADED FASTENER
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 0.406 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: OVAL, ONE HOLE
•
WIDTH: 0.625 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
LENGTH1.954 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
SECURING DEVICE TYPETHREADED FASTENER
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.406 INCHES NOMINAL IN
SPECIAL FEATURESONE END DIMPLED
PERIPHERAL SHAPE STYLEOVAL, ONE HOLE
WIDTH0.625 INCHES NOMINAL IN
MATERIALSTEEL
HOLE DIAMETER0.375 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
41429Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6B9503?
6B9503 is a COVER,ACCESS.
What parts can replace 6B9503?
There is 1 known substitute for 6B9503: 41429. Substitute compatibility should be verified for your specific system.
What is the NSN for 6B9503?
6B9503 is cataloged in the U.S. Government catalog under NSN 5340-00-352-1912. This indicates validated use in U.S. government and defense supply chains.
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