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Technical Data Sheet
PartsTable / COMPONENT / 5253-250
5253-250 ✓ 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 PLUG,VENT 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 5340-00-334-5817, 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
5253-250
NSN: 5340-00-334-5817
FSC: 5340
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
Part Number5253-250
NSN5340-00-334-5817
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5253-250 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 20
4201225Upgraded Successor
successor cross-reference
successor
M-52Upgraded Successor
successor cross-reference
successor
CL-31-SPS-1Upgraded Successor
successor cross-reference
successor
M29AUInterchangeable
interchangeable cross-reference
interchangeable
D3561Interchangeable
interchangeable cross-reference
interchangeable
47D1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5253-250?
5253-250 is a PLUG,VENT.
What parts can replace 5253-250?
There are 20 known substitutes for 5253-250: 4201225, M-52, CL-31-SPS-1 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5253-250?
5253-250 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-334-5817. 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