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PartsTable / COMPONENT / CA20959A
CA20959A ✓ 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 SYNTHETIC SEALING ELEMENT, seal_width: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN, construction: SOLID, housing_bore_diameter: 2.622 INCHES MINIMUM AND 2.624 INCHES MAXIMUM IN, accommodated_shaft_diameter: 1.624 INCHES MINIMUM AND 1.626 INCHES MAXIMUM 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 5330-00-507-3236, 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
CA20959A
NSN: 5330-00-507-3236
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
seal_width0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
constructionSOLID
housing_bore_diameter2.622 INCHES MINIMUM AND 2.624 INCHES MAXIMUM IN
accommodated_shaft_diameter1.624 INCHES MINIMUM AND 1.626 INCHES MAXIMUM IN
cross-sectional_shape_styleDUAL LIP
NSN5330-00-507-3236
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CA20959A 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: 1.624 INCHES MINIMUM AND 1.626 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
SEAL WIDTH: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
•
CONSTRUCTION: SOLID
•
HOUSING BORE DIAMETER: 2.622 INCHES MINIMUM AND 2.624 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: DUAL LIP
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER1.624 INCHES MINIMUM AND 1.626 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
MATERIALSTEEL INTERNALLY MOLDED-IN REINFORCEMENT
SEAL WIDTH0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
CONSTRUCTIONSOLID
HOUSING BORE DIAMETER2.622 INCHES MINIMUM AND 2.624 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEDUAL LIP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
70846Interchangeable
interchangeable cross-reference
interchangeable
S7-27Interchangeable
interchangeable cross-reference
interchangeable
154026Interchangeable
interchangeable cross-reference
interchangeable
26-00301-0060Interchangeable
interchangeable cross-reference
interchangeable
0420746-108Interchangeable
interchangeable cross-reference
interchangeable
420746-108Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CA20959A?
CA20959A is a SEAL,PLAIN.
What parts can replace CA20959A?
There are 7 known substitutes for CA20959A: 70846, S7-27, 154026 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CA20959A?
CA20959A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-507-3236. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026