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Technical Data Sheet
312W475 ✓ 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: PLASTIC ACRYLIC SEALING ELEMENT, seal_width: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN, construction: SOLID, housing_bore_diameter: 3.145 INCHES MINIMUM AND 3.175 INCHES MAXIMUM IN, accommodated_shaft_diameter: 1.552 INCHES NOMINAL IN, cross-sectional_shape_style: DUAL 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 5330-00-119-7933, 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
312W475
NSN: 5330-00-119-7933
FSC: 5330
CAGE: 97674 — CONE DRIVE OPERATIONS INC (USA)
SPECIFICATIONS
materialPLASTIC ACRYLIC SEALING ELEMENT
seal_width0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
constructionSOLID
housing_bore_diameter3.145 INCHES MINIMUM AND 3.175 INCHES MAXIMUM IN
accommodated_shaft_diameter1.552 INCHES NOMINAL IN
cross-sectional_shape_styleDUAL LIP
NSN5330-00-119-7933
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 312W475 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
ACCOMMODATED SHAFT DIAMETER: 1.552 INCHES NOMINAL IN
CONSTRUCTION: SOLID
MATERIAL: PLASTIC ACRYLIC SEALING ELEMENT
SEAL WIDTH: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: DUAL LIP
HOUSING BORE DIAMETER: 3.145 INCHES MINIMUM AND 3.175 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER1.552 INCHES NOMINAL IN
CONSTRUCTIONSOLID
MATERIALPLASTIC ACRYLIC SEALING ELEMENT
SEAL WIDTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEDUAL LIP
HOUSING BORE DIAMETER3.145 INCHES MINIMUM AND 3.175 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
5518Interchangeable
interchangeable cross-reference
interchangeable
MILS4040Interchangeable
interchangeable cross-reference
interchangeable
2489624Interchangeable
interchangeable cross-reference
interchangeable
K5218FInterchangeable
interchangeable cross-reference
interchangeable
714149Interchangeable
interchangeable cross-reference
interchangeable
5218KDInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 312W475?
312W475 is a SEAL,PLAIN.
What parts can replace 312W475?
There are 18 known substitutes for 312W475: 5518, MILS4040, 2489624 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 312W475?
312W475 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-119-7933. This indicates validated use in U.S. government and defense supply chains.
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