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Technical Data Sheet
144EX495 ✓ 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: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN, temp_rating: -50.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, housing_bore_diameter: 4.374 INCHES MINIMUM AND 4.377 INCHES MAXIMUM IN, sealing_element_style: ANGULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-824-6260, 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
144EX495
NSN: 5330-00-824-6260
FSC: 5330
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
temp_rating-50.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
housing_bore_diameter4.374 INCHES MINIMUM AND 4.377 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter3.372 INCHES MINIMUM AND 3.378 INCHES MAXIMUM IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-824-6260
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 144EX495 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
SEALING ELEMENT STYLE: ANGULAR
TEMP RATING: -50.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
SEAL WIDTH: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
CASE STYLE: SQUARE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
MATERIAL: LEATHER SEALING ELEMENT
HOUSING BORE DIAMETER: 4.374 INCHES MINIMUM AND 4.377 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEANGULAR
TEMP RATING-50.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
SEAL WIDTH0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
CASE STYLESQUARE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALLEATHER SEALING ELEMENT
HOUSING BORE DIAMETER4.374 INCHES MINIMUM AND 4.377 INCHES MAXIMUM IN
MATERIALSTEEL CASE
ACCOMMODATED SHAFT DIAMETER3.372 INCHES MINIMUM AND 3.378 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
55164Interchangeable
interchangeable cross-reference
interchangeable
SMB187073Interchangeable
interchangeable cross-reference
interchangeable
6416132Interchangeable
interchangeable cross-reference
interchangeable
078857Interchangeable
interchangeable cross-reference
interchangeable
D8HZ4573-CInterchangeable
interchangeable cross-reference
interchangeable
415164NInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 144EX495?
144EX495 is a SEAL,PLAIN ENCASED.
What parts can replace 144EX495?
There are 10 known substitutes for 144EX495: 55164, SMB187073, 6416132 and 7 more. Substitute compatibility should be verified for your specific system.
Is 144EX495 still available?
144EX495 is currently cancelled.
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