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Technical Data Sheet
479-2661 ✓ 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 SEALING ELEMENT, seal_width: 0.531 INCHES NOMINAL IN, construction: SOLID, housing_bore_diameter: 5.502 INCHES MINIMUM IN, accommodated_shaft_diameter: 4.435 INCHES MINIMUM AND 4.441 INCHES MAXIMUM 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 5330-01-027-7066, 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
479-2661
NSN: 5330-01-027-7066
FSC: 5330
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialRUBBER SEALING ELEMENT
seal_width0.531 INCHES NOMINAL IN
constructionSOLID
housing_bore_diameter5.502 INCHES MINIMUM IN
accommodated_shaft_diameter4.435 INCHES MINIMUM AND 4.441 INCHES MAXIMUM IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-01-027-7066
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 479-2661 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
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
SEAL WIDTH: 0.531 INCHES NOMINAL IN
MATERIAL: STEEL SPRING
HOUSING BORE DIAMETER: 5.502 INCHES MINIMUM IN
CONSTRUCTION: SOLID
ACCOMMODATED SHAFT DIAMETER: 4.435 INCHES MINIMUM AND 4.441 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
SEAL WIDTH0.531 INCHES NOMINAL IN
MATERIALSTEEL SPRING
HOUSING BORE DIAMETER5.502 INCHES MINIMUM IN
CONSTRUCTIONSOLID
MATERIALRUBBER SEALING ELEMENT
ACCOMMODATED SHAFT DIAMETER4.435 INCHES MINIMUM AND 4.441 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
S272-1028P14Interchangeable
interchangeable cross-reference
interchangeable
AN821-4DInterchangeable
interchangeable cross-reference
interchangeable
471295Interchangeable
interchangeable cross-reference
interchangeable
10332LPDInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 479-2661?
479-2661 is a SEAL,PLAIN.
What parts can replace 479-2661?
There are 4 known substitutes for 479-2661: S272-1028P14, AN821-4D, 471295 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 479-2661?
479-2661 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-027-7066. This indicates validated use in U.S. government and defense supply chains.
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