NSN 4730-00-057-2782 NIIN — Tube Coupling Nut

National Stock number : 4730-00-057-2782

Tube Coupling Nut


Available Quantity 1,271
Available Conditions NE NS AR SV
Classification Hose, Pipe, Tube, Lubrication and Railing Fittings - FSC 4730
Schedule B 7318160000
Stock Check Date 02/14/2026
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

0.828in. ⁓53/64"

Drilled Hole Diameter

0.062in.

Hole Type And Quantity

4 drilled

Width Across Flats

0.865in. and 0.877in. ⁓57/64"

Length To Shoulder

0.723in.

Smallest Inside Diameter

0.570in.

Thread Series

unjf

Thread Quantity Per Inch

16

Nominal Thread Size

0.750in. ⁓3/4"

Nominal Tube Outside Diameter

0.500in.

Hole Configuration Style

configuration b

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
4730-00-057-2782
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