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Technical Data Sheet
050863 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

RETAINER,HELICAL COMPRESSION SPR. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-165-1580, 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
050863
NSN: 5340-01-165-1580
FSC: 5340
CAGE: 54716 — HYDRASEARCH CO., INC. DBA USE CAGE CODE 32142 FOR CATALOGING (USA)
SPECIFICATIONS
Part Number050863
NSN5340-01-165-1580
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 050863 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
50863AInterchangeable
interchangeable cross-reference
interchangeable
SMB69351Interchangeable
interchangeable cross-reference
interchangeable
50863Interchangeable
interchangeable cross-reference
interchangeable
66090Interchangeable
interchangeable cross-reference
interchangeable
PA19644Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 050863?
050863 is a RETAINER,HELICAL COMPRESSION SPR.
What parts can replace 050863?
There are 12 known substitutes for 050863: 50863A, SMB69351, 50863 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 050863?
050863 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-165-1580. This indicates validated use in U.S. government and defense supply chains.
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