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Technical Data Sheet
MXL593ISSUE4PC76 ✓ 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 color: BLACK, material: RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.375 INCHES NOMINAL IN, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-178-5377, 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
MXL593ISSUE4PC76
NSN: 5330-00-178-5377
FSC: 5330
CAGE: 65090 — JERED BROWN BROS INC LIBERTY WORKS THE (USA)
SPECIFICATIONS
colorBLACK
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.375 INCHES NOMINAL IN
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
hardness_rating80.0 SHORE DUROMETER A NOMINAL OVERALL
housing_bore_diameter8.250 INCHES NOMINAL IN
sealing_element_styleANGULAR
maximum_pressure_rating7.0 POUNDS PER SQUARE INCH (PSI) LBS
accommodated_shaft_diameter7.250 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-178-5377
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MXL593ISSUE4PC76 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
SEALING ELEMENT STYLE: ANGULAR
CASE STYLE: SQUARE
SEAL WIDTH: 0.375 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER: 7.250 INCHES NOMINAL IN
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL OVERALL
MAXIMUM PRESSURE RATING: 7.0 POUNDS PER SQUARE INCH (PSI) LBS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SEALING ELEMENT STYLEANGULAR
CASE STYLESQUARE
SEAL WIDTH0.375 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER7.250 INCHES NOMINAL IN
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL OVERALL
MAXIMUM PRESSURE RATING7.0 POUNDS PER SQUARE INCH (PSI) LBS
HOUSING BORE DIAMETER8.250 INCHES NOMINAL IN
COLORBLACK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
351-8Interchangeable
interchangeable cross-reference
interchangeable
MS20435-6C6Interchangeable
interchangeable cross-reference
interchangeable
AN435-6-6PInterchangeable
interchangeable cross-reference
interchangeable
382 6-32 UNCInterchangeable
interchangeable cross-reference
interchangeable
C617654-06Interchangeable
interchangeable cross-reference
interchangeable
10596501Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MXL593ISSUE4PC76?
MXL593ISSUE4PC76 is a SEAL,PLAIN ENCASED.
What parts can replace MXL593ISSUE4PC76?
There are 22 known substitutes for MXL593ISSUE4PC76: 351-8, MS20435-6C6, AN435-6-6P and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MXL593ISSUE4PC76?
MXL593ISSUE4PC76 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-178-5377. This indicates validated use in U.S. government and defense supply chains.
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