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D801-1789-40 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

D801-1789-40: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-137-9840, 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
D801-1789-40
NSN: 5331-01-137-9840
FSC: 5331 — O-ring
CAGE: 96101 — GAS EQUIPMENT ENGINEERING CORPORATION, THE DBA GEECO (USA)
SPECIFICATIONS
Part NumberD801-1789-40
NSN5331-01-137-9840
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D801-1789-40 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
D801-1806Reference 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 D801-1789-40?
D801-1789-40 is a O-RING.
What parts can replace D801-1789-40?
There is 1 known substitute for D801-1789-40: D801-1806. Substitute compatibility should be verified for your specific system.
What is the NSN for D801-1789-40?
D801-1789-40 is cataloged in the U.S. Government catalog under NSN 5331-01-137-9840. This indicates validated use in U.S. government and defense supply chains.
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