NSN 4730-00-950-9939 NIIN — Tube Coupling Nut

National Stock number : 4730-00-950-9939

Tube Coupling Nut


Available Quantity 5,041
Available Conditions NS AR NE OH
Classification Hose, Pipe, Tube, Lubrication and Railing Fittings - FSC 4730
Schedule B 7318160000
Stock Check Date 02/05/2026
Part-Number.info Quality System
  •   ISO 9001:2015 + AS9120B Certifed
  •   Audited supply chain
  •   Counterfeit Parts Prevention
  •   100% Product Inspections
  •   7 Year Record Retention
  •   HAZMAT Certified
  •   ITAR and DDTC Registered
AS9120 Certified Supplier

Product Properties


Description

Tube Coupling Nut

Thread Class

3b

Thread Direction

RIGHT-Hand

Fabrication Method

any acceptable

Nut Style

tube coupling

Nut Height

0.682in. ⁓11/16"

Width Across Flats

0.553in. and 0.564in. ⁓37/64"

Length To Shoulder

0.607in.

Smallest Inside Diameter

0.305in.

Thread Series

unjf

Thread Quantity Per Inch

20

Nominal Thread Size

0.437in. ⁓7/16"

Nominal Tube Outside Diameter

0.250in.

Material

steel comp 347

Material Document And Classification

ams 5646 assn std single material response

Surface Treatment

passivate

Specification/standard Data

96906-MS9198 government standard

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National Stock Number
4730-00-950-9939
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