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Technical Data Sheet
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382781R1 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

382781R1: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-075-5980, 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
382781R1
NSN: 5331-01-075-5980
FSC: 5331 — O-ring
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
Part Number382781R1
NSN5331-01-075-5980
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 382781R1 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 2
73932Reference document
Same NSN cross-reference
Reference document — Secondary reference
D73932Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 382781R1?
382781R1 is a O-RING.
What parts can replace 382781R1?
There are 2 known substitutes for 382781R1: 73932, D73932. Substitute compatibility should be verified for your specific system.
What is the NSN for 382781R1?
382781R1 is cataloged in the U.S. Government catalog under NSN 5331-01-075-5980. This indicates validated use in U.S. government and defense supply chains.
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