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Technical Data Sheet
PartsTable / COMPONENT / 4201225
4201225 ✓ 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 PLUNGER,QUICK RELEASE is a the manufacturer industrial component. Key specifications include shape: ROUND, thread_length: 0.469 INCHES NOMINAL IN, overall_length: 0.534 INCHES NOMINAL IN, end_pressure_rating: 6.250 POUNDS NOMINAL LBS, nominal_thread_size: 0.190 INCHES IN, thread_quantity_per_inch: 32. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-077-4987, 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
4201225
NSN: 5340-01-077-4987
FSC: 5340
CAGE: 80212 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
shapeROUND
thread_length0.469 INCHES NOMINAL IN
overall_length0.534 INCHES NOMINAL IN
end_pressure_rating6.250 POUNDS NOMINAL LBS
nominal_thread_size0.190 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNF
NSN5340-01-077-4987
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4201225 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
KEY FEATURES
•
THREAD LENGTH: 0.469 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNF
•
THREAD QUANTITY PER INCH: 32
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
END PRESSURE RATING: 6.250 POUNDS NOMINAL LBS
•
SHAPE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.469 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32
NOMINAL THREAD SIZE0.190 INCHES IN
OVERALL LENGTH0.534 INCHES NOMINAL IN
END PRESSURE RATING6.250 POUNDS NOMINAL LBS
SHAPEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
M-52Upgraded Successor
successor cross-reference
successor
FLR359Upgraded Successor
successor cross-reference
successor
5253-250Upgraded Successor
successor cross-reference
successor
339084-2Upgraded Successor
successor cross-reference
successor
M52NUpgraded Successor
successor cross-reference
successor
M29AUInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4201225?
4201225 is a PLUNGER,QUICK RELEASE.
What parts can replace 4201225?
There are 19 known substitutes for 4201225: M-52, FLR359, 5253-250 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4201225?
4201225 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-077-4987. 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