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Technical Data Sheet
CR76570PC831 ✓ 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: 0.562 INCHES NOMINAL IN, surface_treatment: CADMIUM CASE, housing_bore_diameter: 5.250 INCHES NOMINAL IN, sealing_element_style: ANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-154-3897, 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
CR76570PC831
NSN: 5330-00-154-3897
FSC: 5330
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.562 INCHES NOMINAL IN
surface_treatmentCADMIUM CASE
housing_bore_diameter5.250 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter4.000 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-154-3897
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CR76570PC831 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
HOUSING BORE DIAMETER: 5.250 INCHES NOMINAL IN
SEAL WIDTH: 0.562 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER: 4.000 INCHES NOMINAL IN
MATERIAL: STEEL CASE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
CASE STYLE: SQUARE
SURFACE TREATMENT: CADMIUM CASE
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING BORE DIAMETER5.250 INCHES NOMINAL IN
SEAL WIDTH0.562 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER4.000 INCHES NOMINAL IN
MATERIALSTEEL CASE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CASE STYLESQUARE
SURFACE TREATMENTCADMIUM CASE
SEALING ELEMENT STYLEANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
60023Interchangeable
interchangeable cross-reference
interchangeable
61173Interchangeable
interchangeable cross-reference
interchangeable
CR81793PC830Interchangeable
Same NIIN cross-reference
interchangeable
CR79553PC120Interchangeable
Same NIIN cross-reference
interchangeable
CR84536PC120Interchangeable
Same NIIN cross-reference
interchangeable
00044Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CR76570PC831?
CR76570PC831 is a SEAL,PLAIN ENCASED.
What parts can replace CR76570PC831?
There are 11 known substitutes for CR76570PC831: 60023, 61173, CR81793PC830 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CR76570PC831?
CR76570PC831 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-154-3897. This indicates validated use in U.S. government and defense supply chains.
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