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Technical Data Sheet
PartsTable / O-RING / 4201B-1.50IN-SE-61992-PC6
4201B-1.50IN-SE-61992-PC6 ✓ 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

The 4201B-1.50IN-SE-61992-PC6 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-284-7890, 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
4201B-1.50IN-SE-61992-PC6
NSN: 5331-01-284-7890
FSC: 5331 — O-RING
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
Part Number4201B-1.50IN-SE-61992-PC6
NSN5331-01-284-7890
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4201B-1.50IN-SE-61992-PC6 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 11
2585800Interchangeable
interchangeable cross-reference
interchangeable
6890Interchangeable
interchangeable cross-reference
interchangeable
MXA10Interchangeable
interchangeable cross-reference
interchangeable
BL650Interchangeable
interchangeable cross-reference
interchangeable
L1892Interchangeable
interchangeable cross-reference
interchangeable
274020Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4201B-1.50IN-SE-61992-PC6?
4201B-1.50IN-SE-61992-PC6 is a 4201B-1.50IN-SE-61992-PC6.
What parts can replace 4201B-1.50IN-SE-61992-PC6?
There are 11 known substitutes for 4201B-1.50IN-SE-61992-PC6: 2585800, 6890, MXA10 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4201B-1.50IN-SE-61992-PC6?
4201B-1.50IN-SE-61992-PC6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-284-7890. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026