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6659894 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6659894: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM OVERALL, seal_width: 0.500 INCHES NOMINAL IN, temp_rating: -90.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF, construction: SOLID, special_features: MAXIMUM SHAFT SPEED:1600-2000 FPM, housing_bore_diameter: 5.170 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-472-7750, 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
6659894
NSN: 5330-01-472-7750
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM OVERALL
seal_width0.500 INCHES NOMINAL IN
temp_rating-90.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
constructionSOLID
special_featuresMAXIMUM SHAFT SPEED:1600-2000 FPM
housing_bore_diameter5.170 INCHES NOMINAL IN
accommodated_shaft_diameter4.610 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-01-472-7750
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6659894 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: -90.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.500 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 5.170 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
ACCOMMODATED SHAFT DIAMETER: 4.610 INCHES NOMINAL IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM OVERALL
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
TEMP RATING-90.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
SEAL WIDTH0.500 INCHES NOMINAL IN
HOUSING BORE DIAMETER5.170 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
SPECIAL FEATURESMAXIMUM SHAFT SPEED:1600-2000 FPM
ACCOMMODATED SHAFT DIAMETER4.610 INCHES NOMINAL IN
MATERIALRUBBER FLUOROCARBON CLASS FPM OVERALL
CONSTRUCTIONSOLID
SUBSTITUTES & CROSS-REFERENCES 1
401304Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 6659894?
6659894 is a SEAL,PLAIN.
What parts can replace 6659894?
There is 1 known substitute for 6659894: 401304. Substitute compatibility should be verified for your specific system.
What is the NSN for 6659894?
6659894 is cataloged in the U.S. Government catalog under NSN 5330-01-472-7750. This indicates validated use in U.S. government and defense supply chains.
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