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MP45J — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MP45J: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. This part is cataloged in the U.S. Government catalog under NSN 5340-01-574-0283, 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
MP45J
NSN: 5340-01-574-0283
FSC: 5340 — Hardware, Commercial
CAGE: 43321 — INFINITE ELECTRONICS INTERNATIONAL, INC. DIV L-COM (USA)
SPECIFICATIONS
Part NumberMP45J
NSN5340-01-574-0283
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MP45J 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
SUBSTITUTES & CROSS-REFERENCES 1
003940-00Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 MP45J?
MP45J is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace MP45J?
There is 1 known substitute for MP45J: 003940-00. Substitute compatibility should be verified for your specific system.
What is the NSN for MP45J?
MP45J is cataloged in the U.S. Government catalog under NSN 5340-01-574-0283. This indicates validated use in U.S. government and defense supply chains.
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