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355526 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

355526: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL SPRING, seal_width: 0.579 INCHES MINIMUM AND 0.579 INCHES MINIMUM AND 0.609 INCHES MAXIMUM0.609 INCHES MAXIMUM IN, temp_rating: -40.0 FAHRENHEIT AND -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT250.0 FAHRENHEIT DEGF, construction: SOLIDSOLID, housing_bore_diameter: 3.880 INCHES NOMINAL3.880 INCHES NOMINAL IN, accommodated_shaft_diameter: 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-245-4625, 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
355526
NSN: 5330-00-245-4625
FSC: 5330 — Packing and Gasket Materials
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL SPRING
seal_width0.579 INCHES MINIMUM AND 0.579 INCHES MINIMUM AND 0.609 INCHES MAXIMUM0.609 INCHES MAXIMUM IN
temp_rating-40.0 FAHRENHEIT AND -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT250.0 FAHRENHEIT DEGF
constructionSOLIDSOLID
housing_bore_diameter3.880 INCHES NOMINAL3.880 INCHES NOMINAL IN
accommodated_shaft_diameter3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN
cross-sectional_shape_styleDUAL LIPDUAL LIP
NSN5330-00-245-4625
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 355526 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
•
TEMP RATING: -40.0 FAHRENHEIT AND -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT250.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.579 INCHES MINIMUM AND 0.579 INCHES MINIMUM AND 0.609 INCHES MAXIMUM0.609 INCHES MAXIMUM IN
•
HOUSING BORE DIAMETER: 3.880 INCHES NOMINAL3.880 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: DUAL LIPDUAL LIP
•
ACCOMMODATED SHAFT DIAMETER: 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN
•
MATERIAL: STEEL SPRING
•
CONSTRUCTION: SOLIDSOLID
TECHNICAL CHARACTERISTICS
TEMP RATING-40.0 FAHRENHEIT AND -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT250.0 FAHRENHEIT DEGF
SEAL WIDTH0.579 INCHES MINIMUM AND 0.579 INCHES MINIMUM AND 0.609 INCHES MAXIMUM0.609 INCHES MAXIMUM IN
HOUSING BORE DIAMETER3.880 INCHES NOMINAL3.880 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEDUAL LIPDUAL LIP
ACCOMMODATED SHAFT DIAMETER3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN
MATERIALSTEEL SPRING
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CONSTRUCTIONSOLIDSOLID
SUBSTITUTES & CROSS-REFERENCES 1
137-0091-020Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 355526?
355526 is a SEAL,PLAIN.
What parts can replace 355526?
There is 1 known substitute for 355526: 137-0091-020. Substitute compatibility should be verified for your specific system.
What is the NSN for 355526?
355526 is cataloged in the U.S. Government catalog under NSN 5330-00-245-4625. This indicates validated use in U.S. government and defense supply chains.
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