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140-0594 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

140-0594: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 4.186 INCHES NOMINAL IN, length: 8.500 INCHES NOMINAL IN, material: STEEL, hole_diameter: 0.281 INCHES NOMINAL IN, body_thickness: 0.035 INCHES NOMINAL IN, flange_thickness: 0.035 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-829-5689, 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
140-0594
NSN: 5340-00-829-5689
FSC: 5340 — Hardware, Commercial
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
width4.186 INCHES NOMINAL IN
length8.500 INCHES NOMINAL IN
materialSTEEL
hole_diameter0.281 INCHES NOMINAL IN
body_thickness0.035 INCHES NOMINAL IN
flange_thickness0.035 INCHES NOMINAL IN
surface_treatmentPAINT
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, MULTI HOLES
first_recess_inside_height2.165 INCHES NOMINAL IN
hole_quantity_along_length2
cross-sectional_shape_styleRECESS, SAME SHAPE AS THE PERIPHERY
NSN5340-00-829-5689
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 140-0594 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: 2.257 INCHES NOMINAL IN
•
LENGTH: 8.500 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 3.892 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.035 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 2.165 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 2
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: RECESS, SAME SHAPE AS THE PERIPHERY
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH2.257 INCHES NOMINAL IN
LENGTH8.500 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH3.892 INCHES NOMINAL IN
FLANGE THICKNESS0.035 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT2.165 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH2
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLERECESS, SAME SHAPE AS THE PERIPHERY
SECURING DEVICE TYPETHREADED FASTENER
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH2.242 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
140C594Reference document
Same NSN cross-reference
Reference document — Secondary reference
140-594Reference 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 140-0594?
140-0594 is a COVER,ACCESS.
What parts can replace 140-0594?
There are 2 known substitutes for 140-0594: 140C594, 140-594. Substitute compatibility should be verified for your specific system.
What is the NSN for 140-0594?
140-0594 is cataloged in the U.S. Government catalog under NSN 5340-00-829-5689. This indicates validated use in U.S. government and defense supply chains.
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