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Technical Data Sheet
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50085-3420 — RETAINER,SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

50085-3420: RETAINER,SEAL.

The RETAINER,SEAL is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-731-8743, 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
50085-3420
NSN: 5330-01-731-8743
FSC: 5330 — Packing and Gasket Materials
CAGE: 17454 — TIMKEN GEARS & SERVICES INC. DIV PHILADELPHIA GEAR (USA)
SPECIFICATIONS
Part Number50085-3420
NSN5330-01-731-8743
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 50085-3420 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
01070-0510 ITEM 15Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
01070-0510Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 50085-3420?
50085-3420 is a RETAINER,SEAL.
What parts can replace 50085-3420?
There are 2 known substitutes for 50085-3420: 01070-0510 ITEM 15, 01070-0510. Substitute compatibility should be verified for your specific system.
What is the NSN for 50085-3420?
50085-3420 is cataloged in the U.S. Government catalog under NSN 5330-01-731-8743. This indicates validated use in U.S. government and defense supply chains.
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