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PartsTable / COMPONENT / M308-4159
M308-4159 ✓ 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: 0.391 INCHES NOMINAL IN, housing_bore_diameter: 1.499 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 0.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-178-3529, 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
M308-4159
NSN: 5330-00-178-3529
FSC: 5330
CAGE: 91340 — MET-PRO CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.391 INCHES NOMINAL IN
housing_bore_diameter1.499 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.750 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-178-3529
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M308-4159 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
•
SEAL WIDTH: 0.391 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
HOUSING BORE DIAMETER: 1.499 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
MATERIAL: LEATHER SEALING ELEMENT
•
ACCOMMODATED SHAFT DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
SEAL WIDTH0.391 INCHES NOMINAL IN
CASE STYLESQUARE
HOUSING BORE DIAMETER1.499 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
MATERIALLEATHER SEALING ELEMENT
MATERIALSTEEL CASE
ACCOMMODATED SHAFT DIAMETER0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
N2328M1Interchangeable
interchangeable cross-reference
interchangeable
10365Interchangeable
interchangeable cross-reference
interchangeable
79106-001Interchangeable
interchangeable cross-reference
interchangeable
13956Interchangeable
interchangeable cross-reference
interchangeable
330878Interchangeable
interchangeable cross-reference
interchangeable
45-0028Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M308-4159?
M308-4159 is a SEAL,PLAIN ENCASED.
What parts can replace M308-4159?
There are 30 known substitutes for M308-4159: N2328M1, 10365, 79106-001 and 27 more. Substitute compatibility should be verified for your specific system.
Is M308-4159 still available?
M308-4159 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026