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Technical Data Sheet
PartsTable / COMPONENT / 7339223
7339223 ✓ 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 NUT,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: TUBE COUPLING, nut_height: 1.094 INCHES NOMINAL IN, seat_angle: 45.00 DEGREES NOMINAL, thread_class: 2B, thread_series: UNF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-142-2179, 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
7339223
NSN: 4730-00-142-2179
FSC: 4730
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleTUBE COUPLING
nut_height1.094 INCHES NOMINAL IN
seat_angle45.00 DEGREES NOMINAL
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats0.688 INCHES NOMINAL IN
nominal_thread_size0.562 INCHES IN
smallest_inside_diameter0.375 INCHES NOMINAL IN
thread_quantity_per_inch18
nominal_tube_outside_diameter0.375 INCHES IN
NSN4730-00-142-2179
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 7339223 · 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
•
MATERIAL: COPPER ALLOY OVERALL
•
SEAT ANGLE: 45.00 DEGREES NOMINAL
•
NOMINAL THREAD SIZE: 0.562 INCHES IN
•
NOMINAL TUBE OUTSIDE DIAMETER: 0.375 INCHES IN
•
THREAD QUANTITY PER INCH: 18
•
WIDTH ACROSS FLATS: 0.688 INCHES NOMINAL IN
•
SMALLEST INSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
NUT HEIGHT: 1.094 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
SEAT ANGLE45.00 DEGREES NOMINAL
NOMINAL THREAD SIZE0.562 INCHES IN
NOMINAL TUBE OUTSIDE DIAMETER0.375 INCHES IN
THREAD QUANTITY PER INCH18
WIDTH ACROSS FLATS0.688 INCHES NOMINAL IN
SMALLEST INSIDE DIAMETER0.375 INCHES NOMINAL IN
NUT HEIGHT1.094 INCHES NOMINAL IN
NUT STYLETUBE COUPLING
THREAD SERIESUNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
759Interchangeable
interchangeable cross-reference
interchangeable
CS14Interchangeable
interchangeable cross-reference
interchangeable
108966-000Interchangeable
interchangeable cross-reference
interchangeable
17-6888-00-901Interchangeable
interchangeable cross-reference
interchangeable
17-6888-00-91Interchangeable
interchangeable cross-reference
interchangeable
L6AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7339223?
7339223 is a NUT,TUBE COUPLING.
What parts can replace 7339223?
There are 11 known substitutes for 7339223: 759, CS14, 108966-000 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7339223?
7339223 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-142-2179. 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