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Technical Data Sheet
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206435 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

206435: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-178-1761, 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
206435
NSN: 5331-01-178-1761
NIINs: 011781761, 012769617
FSC: 5331 — O-ring
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
Part Number206435
NSN5331-01-178-1761
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 206435 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
10383978Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 206435?
206435 is a PACKING,PREFORMED.
What parts can replace 206435?
There is 1 known substitute for 206435: 10383978. Substitute compatibility should be verified for your specific system.
What is the NSN for 206435?
206435 is cataloged in the U.S. Government catalog under NSN 5331-01-178-1761. This indicates validated use in U.S. government and defense supply chains.
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