PartsTable
Technical Data Sheet
CA20958A ✓ 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 SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.453 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN, housing_bore_diameter: 3.1875 INCHES MINIMUM AND 3.1905 INCHES MAXIMUM IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 2.117 INCHES MINIMUM AND 2.124 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-1148, 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
CA20958A
NSN: 5330-00-641-1148
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.453 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
housing_bore_diameter3.1875 INCHES MINIMUM AND 3.1905 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter2.117 INCHES MINIMUM AND 2.124 INCHES MAXIMUM IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-641-1148
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CA20958A 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
SEAL WIDTH: 0.453 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
HOUSING BORE DIAMETER: 3.1875 INCHES MINIMUM AND 3.1905 INCHES MAXIMUM IN
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
ACCOMMODATED SHAFT DIAMETER: 2.117 INCHES MINIMUM AND 2.124 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
SEALING ELEMENT STYLE: ANGULAR
CASE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.453 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
HOUSING BORE DIAMETER3.1875 INCHES MINIMUM AND 3.1905 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
MATERIALSTEEL CASE
ACCOMMODATED SHAFT DIAMETER2.117 INCHES MINIMUM AND 2.124 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
SEALING ELEMENT STYLEANGULAR
CASE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
120 19/32Interchangeable
interchangeable cross-reference
interchangeable
201 19/32Interchangeable
interchangeable cross-reference
interchangeable
46138Interchangeable
interchangeable cross-reference
interchangeable
103081Interchangeable
interchangeable cross-reference
interchangeable
283932Interchangeable
interchangeable cross-reference
interchangeable
EE36239Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CA20958A?
CA20958A is a SEAL,PLAIN ENCASED.
What parts can replace CA20958A?
There are 12 known substitutes for CA20958A: 120 19/32, 201 19/32, 46138 and 9 more. Substitute compatibility should be verified for your specific system.
Is CA20958A still available?
CA20958A is currently cancelled.
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