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143968 ✓ 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: RECESSED HEXAGON, connection_style: PLAIN, thread_direction: RIGHT-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 4730-00-157-9450, 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
143968
NSN: 4730-00-157-9450
FSC: 4730
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_typeSOLID
head_typeSOLID
drive_end_styleRECESSED HEXAGON
connection_stylePLAIN
thread_directionRIGHT-HAND EXTERNAL
nominal_thread_size0.750 INCHES EXTERNAL IN
thread_series_designatorNPT EXTERNAL
nominal_pipe_size_for_which_designed0.750 INCHES IN
NSN4730-00-157-9450
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 143968 · 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
•
CONNECTION STYLE: PLAIN
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
•
HEAD TYPE: SOLID
•
MATERIAL: IRON OVERALL
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.750 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND C STYLE OR D STYLE
•
NOMINAL THREAD SIZE: 0.750 INCHES EXTERNAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN
THREAD DIRECTIONRIGHT-HAND EXTERNAL
HEAD TYPESOLID
MATERIALIRON OVERALL
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.750 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATA2 TYPE AND C STYLE OR D STYLE
NOMINAL THREAD SIZE0.750 INCHES EXTERNAL IN
BODY TYPESOLID
THREAD SERIES DESIGNATORNPT EXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
5145013Interchangeable
interchangeable cross-reference
interchangeable
533539PC34Interchangeable
interchangeable cross-reference
interchangeable
143968Interchangeable
interchangeable cross-reference
interchangeable
WWP471Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 143968?
143968 is a PLUG,PIPE.
What parts can replace 143968?
There are 4 known substitutes for 143968: 5145013, 533539PC34, 143968 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 143968?
143968 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-157-9450. 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