NSN 4730-00-554-8020 NIIN — Tube Coupling Nut

National Stock number : 4730-00-554-8020

Tube Coupling Nut


Available Quantity 1,247
Available Conditions NS NE
Classification Hose, Pipe, Tube, Lubrication and Railing Fittings - FSC 4730
Schedule B 7318160000
Stock Check Date 12/04/2025
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

machined

Nut Style

tube coupling

Nut Height

1.040in. and 1.060in. ⁓1-1/16"

End Item Identification

aircraft application; used on gun, field artillery, 175 mm, M107 and howitzer, heavy, 8-inch, M110/M110A1

Width Across Flats

1.500in. ⁓1-1/2"

Length To Shoulder

0.677in. and 0.697in.

Smallest Inside Diameter

1.074in. and 1.079in.

Thread Series

un

Thread Quantity Per Inch

12

Nominal Thread Size

1.312in. ⁓1-5/16"

Nominal Tube Outside Diameter

1.000in.

Seat Angle

45.00 degrees

Material

steel

Material Document And Classification

MIL-S-13433, type 1 mil spec single material response

Surface Treatment

cadmium

Specification/standard Data

96906-MS21921 government standard

Pricing and Availability Quote

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National Stock Number
4730-00-554-8020
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