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Technical Data Sheet
PartsTable / COMPONENT / 504952-CR
504952-CR ✓ 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: STEEL CASE, case_style: SQUARE, seal_width: 0.250 INCHES NOMINAL IN, outside_diameter: 3.066 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 3.061 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-585-0582, 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
504952-CR
NSN: 5330-00-585-0582
FSC: 5330
CAGE: 51829 — CR INDUSTRIES CHICAGO RAWHIDE MFG CO (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.250 INCHES NOMINAL IN
outside_diameter3.066 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter3.061 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter2.125 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-585-0582
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 504952-CR 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
•
OUTSIDE DIAMETER: 3.066 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
SEAL WIDTH: 0.250 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 3.061 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 2.125 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
SEALING ELEMENT STYLE: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER3.066 INCHES NOMINAL IN
MATERIALSTEEL CASE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
SEAL WIDTH0.250 INCHES NOMINAL IN
HOUSING BORE DIAMETER3.061 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER2.125 INCHES NOMINAL IN
CASE STYLESQUARE
SEALING ELEMENT STYLEANGULAR
SURFACE TREATMENTPLASTIC CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
21208Interchangeable
interchangeable cross-reference
interchangeable
0S198SRN12Interchangeable
interchangeable cross-reference
interchangeable
15682Interchangeable
interchangeable cross-reference
interchangeable
1298044Interchangeable
interchangeable cross-reference
interchangeable
530561Interchangeable
interchangeable cross-reference
interchangeable
306HD24Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 504952-CR?
504952-CR is a SEAL,PLAIN ENCASED.
What parts can replace 504952-CR?
There are 12 known substitutes for 504952-CR: 21208, 0S198SRN12, 15682 and 9 more. Substitute compatibility should be verified for your specific system.
Is 504952-CR still available?
504952-CR is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026