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86-2786 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

86-2786: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-00-973-8301, 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
86-2786
NSN: 5331-00-973-8301
FSC: 5331 — O-ring
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number86-2786
NSN5331-00-973-8301
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 86-2786 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 7
7HA937Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10076286Reference document
Same NSN cross-reference
Reference document — Informative reference only
8L2786Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
VW076 3-908Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1000753Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
V0884 3-908Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 86-2786?
86-2786 is a O-RING.
What parts can replace 86-2786?
There are 7 known substitutes for 86-2786: 7HA937, 10076286, 8L2786 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 86-2786?
86-2786 is cataloged in the U.S. Government catalog under NSN 5331-00-973-8301. This indicates validated use in U.S. government and defense supply chains.
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