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Technical Data Sheet
3X1955-5254 ✓ 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

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-587-4178, 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
3X1955-5254
NSN: 5340-00-587-4178
FSC: 5340
CAGE: 03670 — TYCO FIRE PRODUCTS LP (USA)
SPECIFICATIONS
materialPLASTIC
NSN5340-00-587-4178
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3X1955-5254 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
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
MI-3Interchangeable
interchangeable cross-reference
interchangeable
904-004-006Interchangeable
interchangeable cross-reference
interchangeable
ADGLInterchangeable
interchangeable cross-reference
interchangeable
330-J57-501Interchangeable
interchangeable cross-reference
interchangeable
330-J57-701 MIInterchangeable
interchangeable cross-reference
interchangeable
MI-31A-1-5/8SInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3X1955-5254?
3X1955-5254 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 3X1955-5254?
There are 6 known substitutes for 3X1955-5254: MI-3, 904-004-006, ADGL and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3X1955-5254?
3X1955-5254 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-587-4178. This indicates validated use in U.S. government and defense supply chains.
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