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2-03018J06 — NUT,TUBE COUPLING

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

2-03018J06: NUT,TUBE COUPLING.

The NUT,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: TUBE COUPLING, nut_height: 0.710 INCHES NOMINAL IN, seat_angle: 0.45 DEGREES NOMINAL, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 4730-01-045-4810, 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
2-03018J06
NSN: 4730-01-045-4810
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 00624 — EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleTUBE COUPLING
nut_height0.710 INCHES NOMINAL IN
seat_angle0.45 DEGREES NOMINAL
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
thread_directionRIGHT-HAND
length_to_shoulder0.495 INCHES NOMINAL IN
width_across_flats0.684 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN
nominal_thread_size0.562 INCHES IN
end_item_identificationUSED ON 3E,3A AIRCRAFT A
smallest_inside_diameter0.425 INCHES NOMINAL IN
NSN4730-01-045-4810
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2-03018J06 · 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
•
LENGTH TO SHOULDER: 0.495 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.684 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
SEAT ANGLE: 0.45 DEGREES NOMINAL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.562 INCHES IN
•
NUT HEIGHT: 0.710 INCHES NOMINAL IN
•
NUT STYLE: TUBE COUPLING
TECHNICAL CHARACTERISTICS
LENGTH TO SHOULDER0.495 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.684 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
SEAT ANGLE0.45 DEGREES NOMINAL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.562 INCHES IN
NUT HEIGHT0.710 INCHES NOMINAL IN
NUT STYLETUBE COUPLING
THREAD CLASS3B
END ITEM IDENTIFICATIONUSED ON 3E,3A AIRCRAFT A
SUBSTITUTES & CROSS-REFERENCES 4
GA7432J06Reference document
Same NSN cross-reference
Reference document — Secondary reference
STSPB804J06Reference document
Same NSN cross-reference
Reference document — Secondary reference
STSPB804Reference document
Same NSN cross-reference
Reference document — Secondary reference
D8998J06Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2-03018J06?
2-03018J06 is a NUT,TUBE COUPLING.
What parts can replace 2-03018J06?
There are 4 known substitutes for 2-03018J06: GA7432J06, STSPB804J06, STSPB804 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-03018J06?
2-03018J06 is cataloged in the U.S. Government catalog under NSN 4730-01-045-4810. This indicates validated use in U.S. government and defense supply chains.
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