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4730H34-000 — INVERTED NUT,TUBE COUPLING

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4730H34-000: INVERTED NUT,TUBE COUPLING.

The INVERTED NUT,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316, thread_size: 13/16-12, thread_class: 2A A, overall_length: 0.590 INCHES NOMINAL IN, special_features: W/TWO SAFETY WIRE HOLES, style_designator: INVERTED NUT, TUBE, FLARE. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-329-7098, 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
4730H34-000
NSN: 4730-00-329-7098
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 81996 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 316
thread_size13/16-12
thread_class2A A
overall_length0.590 INCHES NOMINAL IN
special_featuresW/TWO SAFETY WIRE HOLES
style_designatorINVERTED NUT, TUBE, FLARE
thread_directionRIGHT-HAND
seat_angle_in_deg45.0
fabrication_methodBAR STOCK, MACHINED
width_across_flats0.868 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
smallest_inside_diameter0.6235 INCHES MINIMUM AND 0.6255 INCHES MAXIMUM IN
NSN4730-00-329-7098
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4730H34-000 · 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: 0.868 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
•
SEAT ANGLE IN DEG: 45.0
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.623 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: INVERTED NUT, TUBE, FLARE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763, CLASS 316 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.868 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
SEAT ANGLE IN DEG45.0
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.623 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
STYLE DESIGNATORINVERTED NUT, TUBE, FLARE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 316 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.590 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
CASEHARDENING INDICATORNOT CASEHARDENED
THREAD SIZE13/16-12
SPECIAL FEATURESW/TWO SAFETY WIRE HOLES
SUBSTITUTES & CROSS-REFERENCES 1
138383Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4730H34-000?
4730H34-000 is a INVERTED NUT,TUBE COUPLING.
What parts can replace 4730H34-000?
There is 1 known substitute for 4730H34-000: 138383. Substitute compatibility should be verified for your specific system.
What is the NSN for 4730H34-000?
4730H34-000 is cataloged in the U.S. Government catalog under NSN 4730-00-329-7098. This indicates validated use in U.S. government and defense supply chains.
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