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Technical Data Sheet
PartsTable / COMPONENT / 8743031
8743031 ✓ 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 NOZZLE DIAPHRAGM,TURBINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.297 INCHES NOMINAL SECOND END IN, connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) SECOND END, nominal_thread_size: 0.375 INCHES ALL ENDS IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-9141, 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
8743031
NSN: 4730-00-277-9141
FSC: 4730
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flow_angle90.0 DEGREES
leg_length1.297 INCHES NOMINAL SECOND END IN
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) SECOND END
nominal_thread_size0.375 INCHES ALL ENDS IN
thread_series_designatorNPTF ALL ENDS
nominal_pipe_size_accommodated0.375 INCHES ALL ENDS IN
NSN4730-00-277-9141
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 8743031 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
32-143Interchangeable
interchangeable cross-reference
interchangeable
3/8CD-SInterchangeable
interchangeable cross-reference
interchangeable
171SC545Interchangeable
interchangeable cross-reference
interchangeable
55026Interchangeable
interchangeable cross-reference
interchangeable
89010Interchangeable
interchangeable cross-reference
interchangeable
BEDPAN, STAINLESS STEELInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8743031?
8743031 is a NOZZLE DIAPHRAGM,TURBINE.
What parts can replace 8743031?
There are 18 known substitutes for 8743031: 32-143, 3/8CD-S, 171SC545 and 15 more. Substitute compatibility should be verified for your specific system.
Is 8743031 still available?
8743031 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