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78-137-000 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

78-137-000: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-046-3140, 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
78-137-000
NSN: 5331-01-046-3140
FSC: 5331 — O-ring
CAGE: 98963 — PARKER HANNIFIN CORPORATION DBA WILKERSON DIV PNEUMATIC DIVISION NORTH AMERICA (USA)
SPECIFICATIONS
Part Number78-137-000
NSN5331-01-046-3140
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 78-137-000 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 5
K41RB72112Reference document
Same NSN cross-reference
Reference document — Secondary reference
78-137Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
010463140Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
GRP78-137Reference document
Same NSN cross-reference
Reference document — Secondary reference
VRP-95-783Reference 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 78-137-000?
78-137-000 is a O-RING.
What parts can replace 78-137-000?
There are 5 known substitutes for 78-137-000: K41RB72112, 78-137, 010463140 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 78-137-000?
78-137-000 is cataloged in the U.S. Government catalog under NSN 5331-01-046-3140. This indicates validated use in U.S. government and defense supply chains.
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