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Technical Data Sheet
PartsTable / COMPONENT / 575412A
575412A ✓ 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: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.531 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN, housing_bore_diameter: 5.751 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 4.375 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-2756, 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
575412A
NSN: 5330-00-641-2756
FSC: 5330
CAGE: 09348 — LUCAS WESTERN INC (USA)
SPECIFICATIONS
materialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.531 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
housing_bore_diameter5.751 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter4.375 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-641-2756
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 575412A 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
•
MATERIAL: STEEL CASE
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 5.751 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 4.375 INCHES NOMINAL IN
•
SEAL WIDTH: 0.531 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CASE
CASE STYLESQUARE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER5.751 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER4.375 INCHES NOMINAL IN
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH0.531 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
57-541-2Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-15109Interchangeable
interchangeable cross-reference
interchangeable
MILR15109Interchangeable
interchangeable cross-reference
interchangeable
55047Interchangeable
interchangeable cross-reference
interchangeable
50799Interchangeable
interchangeable cross-reference
interchangeable
33917Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 575412A?
575412A is a SEAL,PLAIN ENCASED.
What parts can replace 575412A?
There are 11 known substitutes for 575412A: 57-541-2, MIL-DTL-15109, MILR15109 and 8 more. Substitute compatibility should be verified for your specific system.
Is 575412A still available?
575412A 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