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4X15940 MK 5 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4X15940 MK 5: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include center_hole_diameter: 1.188 INCHES NOMINAL IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-757-8642, 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
4X15940 MK 5
NSN: 5331-00-757-8642
FSC: 5331 — O-ring
CAGE: 48899 — CP INDUSTRIES HOLDINGS, INC (USA)
SPECIFICATIONS
center_hole_diameter1.188 INCHES NOMINAL IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-757-8642
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4X15940 MK 5 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
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.188 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
2MP2582Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4X15940 MK 5?
4X15940 MK 5 is a O-RING.
What parts can replace 4X15940 MK 5?
There is 1 known substitute for 4X15940 MK 5: 2MP2582. Substitute compatibility should be verified for your specific system.
What is the NSN for 4X15940 MK 5?
4X15940 MK 5 is cataloged in the U.S. Government catalog under NSN 5331-00-757-8642. This indicates validated use in U.S. government and defense supply chains.
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