PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 6659889
6659889 ✓ 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 ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT, case_style: DISHED, seal_width: 0.438 INCHES NOMINAL IN, outside_diameter: 3.505 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 3.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-385-5153, 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
6659889
NSN: 5330-01-385-5153
FSC: 5330
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT
case_styleDISHED
seal_width0.438 INCHES NOMINAL IN
outside_diameter3.505 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter3.500 INCHES NOMINAL IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter2.350 INCHES NOMINAL IN
NSN5330-01-385-5153
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6659889 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: RUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT
•
HOUSING BORE DIAMETER: 3.500 INCHES NOMINAL IN
•
SEAL WIDTH: 0.438 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL
•
CASE STYLE: DISHED
•
OUTSIDE DIAMETER: 3.505 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 2.350 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT
HOUSING BORE DIAMETER3.500 INCHES NOMINAL IN
SEAL WIDTH0.438 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
CASE STYLEDISHED
OUTSIDE DIAMETER3.505 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER2.350 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING SPRING
SURFACE TREATMENTPLASTIC CASE
MATERIALSTEEL CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
178602Interchangeable
interchangeable cross-reference
interchangeable
8071-2Interchangeable
interchangeable cross-reference
interchangeable
22590Interchangeable
interchangeable cross-reference
interchangeable
D-99042Interchangeable
interchangeable cross-reference
interchangeable
1E70F30SInterchangeable
interchangeable cross-reference
interchangeable
22590-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 6659889?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 6659889?
6659889 is a SEAL,PLAIN ENCASED.
What parts can replace 6659889?
There are 9 known substitutes for 6659889: 178602, 8071-2, 22590 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6659889?
6659889 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-385-5153. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 6659889

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026