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105Z6 — INVERTED NUT,TUBE COUPLING

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

105Z6: INVERTED NUT,TUBE COUPLING.

The INVERTED NUT,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: STEEL, thread_size: 5/8-18, thread_class: 2A A, overall_length: 0.660 INCHES NOMINAL IN, style_designator: INVERTED NUT, TUBE, FLARE, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-013-7399, 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
105Z6
NSN: 4730-00-013-7399
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 79470 — DANA CORP WEATHERHEAD DIV (USA)
SPECIFICATIONS
materialSTEEL
thread_size5/8-18
thread_class2A A
overall_length0.660 INCHES NOMINAL IN
style_designatorINVERTED NUT, TUBE, FLARE
thread_directionRIGHT-HAND
seat_angle_in_deg45.00
surface_treatmentCADMIUM OR ZINC OR ZINC AND DICHROMATE
width_across_flats0.625 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
smallest_inside_diameter0.380 INCHES NOMINAL IN
screw_thread_series_designatorUNF
NSN4730-00-013-7399
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 105Z6 · 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
•
WIDTH ACROSS FLATS: 0.625 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 45.00
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: INVERTED NUT, TUBE, FLARE
•
THREAD DIRECTION: RIGHT-HAND
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
THREAD SIZE: 5/8-18
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.625 INCHES NOMINAL IN
SEAT ANGLE IN DEG45.00
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.375 INCHES NOMINAL IN
STYLE DESIGNATORINVERTED NUT, TUBE, FLARE
OVERALL LENGTH0.660 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
CASEHARDENING INDICATORNOT CASEHARDENED
THREAD SIZE5/8-18
SCREW THREAD SERIES DESIGNATORUNF
SURFACE TREATMENTCADMIUM OR ZINC OR ZINC AND DICHROMATE
SUBSTITUTES & CROSS-REFERENCES 4
5266443Reference document
Same NSN cross-reference
Reference document — Secondary reference
13713Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
137399Reference document
Same NSN cross-reference
Reference document — Secondary reference
705FB5Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 105Z6?
105Z6 is a INVERTED NUT,TUBE COUPLING.
What parts can replace 105Z6?
There are 4 known substitutes for 105Z6: 5266443, 13713, 137399 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 105Z6?
105Z6 is cataloged in the U.S. Government catalog under NSN 4730-00-013-7399. This indicates validated use in U.S. government and defense supply chains.
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