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NPC-4 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

NPC-4: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-00-282-7965, 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
NPC-4
NSN: 5340-00-282-7965
FSC: 5340 — Hardware, Commercial
CAGE: 81074 — ITT HOLUB INDUSTRIES (USA)
SPECIFICATIONS
Part NumberNPC-4
NSN5340-00-282-7965
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NPC-4 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 8
6515873Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
54B7259H03Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1534275-5Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1564690-3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
83314Reference document
Same NSN cross-reference
Reference document — Secondary reference
NYGR1P1-4-6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NPC-4?
NPC-4 is a CLAMP,LOOP.
What parts can replace NPC-4?
There are 8 known substitutes for NPC-4: 6515873, 54B7259H03, 1534275-5 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NPC-4?
NPC-4 is cataloged in the U.S. Government catalog under NSN 5340-00-282-7965. This indicates validated use in U.S. government and defense supply chains.
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