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Technical Data Sheet
PartsTable / COMPONENT / W3159X8
W3159X8 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The PLUG,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_type: SOLID, head_type: SOLID, drive_end_style: HEXAGONHEXAGON, connection_style: PLAINPLAIN, thread_direction: RIGHT-HAND EXTERNALRIGHT-HAND EXTERNAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-142-1855, 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
W3159X8
NSN: 4730-00-142-1855
FSC: 4730
CAGE: 79470 — DANA CORP WEATHERHEAD DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_typeSOLID
head_typeSOLID
drive_end_styleHEXAGONHEXAGON
connection_stylePLAINPLAIN
thread_directionRIGHT-HAND EXTERNALRIGHT-HAND EXTERNAL
nominal_thread_size0.500 INCHES EXTERNAL0.500 INCHES EXTERNAL IN
thread_series_designatorNPT EXTERNALNPT EXTERNAL
nominal_pipe_size_for_which_designed0.500 INCHES0.500 INCHES IN
NSN4730-00-142-1855
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: W3159X8 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NOMINAL THREAD SIZE: 0.500 INCHES EXTERNAL0.500 INCHES EXTERNAL IN
•
DRIVE END STYLE: HEXAGONHEXAGON
•
BODY TYPE: SOLID
•
THREAD DIRECTION: RIGHT-HAND EXTERNALRIGHT-HAND EXTERNAL
•
CONNECTION STYLE: PLAINPLAIN
•
THREAD SERIES DESIGNATOR: NPT EXTERNALNPT EXTERNAL
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.500 INCHES0.500 INCHES IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.500 INCHES EXTERNAL0.500 INCHES EXTERNAL IN
DRIVE END STYLEHEXAGONHEXAGON
BODY TYPESOLID
THREAD DIRECTIONRIGHT-HAND EXTERNALRIGHT-HAND EXTERNAL
CONNECTION STYLEPLAINPLAIN
THREAD SERIES DESIGNATORNPT EXTERNALNPT EXTERNAL
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.500 INCHES0.500 INCHES IN
MATERIALSTEEL OVERALL
HEAD TYPESOLID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
K-500-CH-1349Interchangeable
interchangeable cross-reference
interchangeable
MS14314-3XInterchangeable
interchangeable cross-reference
interchangeable
W6506BInterchangeable
interchangeable cross-reference
interchangeable
1596848P1REV1Interchangeable
interchangeable cross-reference
interchangeable
13027292-3Interchangeable
interchangeable cross-reference
interchangeable
2673205-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W3159X8?
W3159X8 is a PLUG,PIPE.
What parts can replace W3159X8?
There are 24 known substitutes for W3159X8: K-500-CH-1349, MS14314-3X, W6506B and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for W3159X8?
W3159X8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-142-1855. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026