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Technical Data Sheet
PartsTable / COMPONENT / 150-4N
150-4N ✓ 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 CRANKSHAFT,COMPRESSOR is a the manufacturer industrial component. Key specifications include material: LEATHER SEALING ELEMENT, case_style: SQUARE, seal_width: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN, temp_rating: 200.0 FAHRENHEIT DEGF, outside_diameter: 2.632 INCHES NOMINAL IN, housing_bore_diameter: 1.999 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-178-4738, 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
150-4N
NSN: 5330-00-178-4738
FSC: 5330
CAGE: 42138 — HARBORMASTER MARINE, INC (USA)
SPECIFICATIONS
materialLEATHER SEALING ELEMENT
case_styleSQUARE
seal_width0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
temp_rating200.0 FAHRENHEIT DEGF
outside_diameter2.632 INCHES NOMINAL IN
housing_bore_diameter1.999 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.250 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-178-4738
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 150-4N 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
•
OUTSIDE DIAMETER: 2.632 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 1.250 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
•
HOUSING BORE DIAMETER: 1.999 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
TEMP RATING: 200.0 FAHRENHEIT DEGF
•
CASE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER2.632 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER1.250 INCHES NOMINAL IN
MATERIALSTEEL CASE
HOUSING BORE DIAMETER1.999 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
TEMP RATING200.0 FAHRENHEIT DEGF
CASE STYLESQUARE
MATERIALLEATHER SEALING ELEMENT
SEALING ELEMENT STYLEANGULAR
SEAL WIDTH0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
14138A14274Interchangeable
interchangeable cross-reference
interchangeable
2768DInterchangeable
interchangeable cross-reference
interchangeable
10873KInterchangeable
interchangeable cross-reference
interchangeable
T-105Interchangeable
interchangeable cross-reference
interchangeable
1340Interchangeable
interchangeable cross-reference
interchangeable
MS15444-85Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 150-4N?
150-4N is a CRANKSHAFT,COMPRESSOR.
What parts can replace 150-4N?
There are 32 known substitutes for 150-4N: 14138A14274, 2768D, 10873K and 29 more. Substitute compatibility should be verified for your specific system.
Is 150-4N still available?
150-4N 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