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Technical Data Sheet
X271-29 ✓ 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 SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, seal_width: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, construction: SOLID, housing_bore_diameter: 1.623 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN, accommodated_shaft_diameter: 0.875 INCHES NOMINAL IN, cross-sectional_shape_style: SINGLE LIP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-585-8283, 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
X271-29
NSN: 5330-00-585-8283
FSC: 5330
CAGE: 55469 — ESSEX INDUSTRIES, INC. DBA ESSEX INDUSTRIES (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
seal_width0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
constructionSOLID
housing_bore_diameter1.623 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
accommodated_shaft_diameter0.875 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-585-8283
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: X271-29 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: STEEL INTERNALLY MOLDED-IN REINFORCEMENT
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
CONSTRUCTION: SOLID
SEAL WIDTH: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
HOUSING BORE DIAMETER: 1.623 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER: 0.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL INTERNALLY MOLDED-IN REINFORCEMENT
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
CONSTRUCTIONSOLID
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
HOUSING BORE DIAMETER1.623 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER0.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
355-1WInterchangeable
interchangeable cross-reference
interchangeable
50826Interchangeable
interchangeable cross-reference
interchangeable
3P91471-106Interchangeable
interchangeable cross-reference
interchangeable
F416Interchangeable
interchangeable cross-reference
interchangeable
A-A-1925Interchangeable
interchangeable cross-reference
interchangeable
7500-9450Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X271-29?
X271-29 is a SEAL,PLAIN.
What parts can replace X271-29?
There are 7 known substitutes for X271-29: 355-1W, 50826, 3P91471-106 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for X271-29?
X271-29 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-585-8283. This indicates validated use in U.S. government and defense supply chains.
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