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530573 ✓ 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, housing_bore_diameter: 2.179 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 1.312 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 5330-00-861-2302, 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
530573
NSN: 5330-00-861-2302
FSC: 5330
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.250 INCHES NOMINAL IN
housing_bore_diameter2.179 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.312 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-861-2302
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 530573 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 MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
HOUSING BORE DIAMETER: 2.179 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
CASE STYLE: SQUARE
•
MATERIAL: LEATHER SEALING ELEMENT
•
SEAL WIDTH: 0.250 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 1.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
HOUSING BORE DIAMETER2.179 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
CASE STYLESQUARE
MATERIALLEATHER SEALING ELEMENT
MATERIALSTEEL CASE
SEAL WIDTH0.250 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER1.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
40769Interchangeable
interchangeable cross-reference
interchangeable
PEI 6760Interchangeable
interchangeable cross-reference
interchangeable
C8765Interchangeable
interchangeable cross-reference
interchangeable
C702858112Interchangeable
interchangeable cross-reference
interchangeable
927C932P5Interchangeable
interchangeable cross-reference
interchangeable
40769-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 530573?
530573 is a SEAL,PLAIN ENCASED.
What parts can replace 530573?
There are 8 known substitutes for 530573: 40769, PEI 6760, C8765 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 530573?
530573 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-861-2302. 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