NSN 4730-00-277-5078 NIIN — Tube Fitting Locknut

National Stock number : 4730-00-277-5078

Tube Fitting Locknut


Available Quantity 896
Available Conditions NE NS SV AR
Classification Hose, Pipe, Tube, Lubrication and Railing Fittings - FSC 4730
Stock Check Date 01/20/2026
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 Fitting Locknut

Thread Class

3b

Thread Direction

RIGHT-Hand

Nut Style

tube fitting locknut

Nut Height

0.391in. ⁓13/32"

Width Across Flats

1.125in. ⁓1-1/8"

Thread Series

unf

Packing Recess Diameter

1.045in.

Packing Recess Depth

0.054in.

Thread Quantity Per Inch

14

Nominal Thread Size

0.875in. ⁓7/8"

Nominal Tube Outside Diameter

0.625in.

Material

aluminum alloy 2014

Material Document And Classification

QQ-A-225/4, alloy 2014, T6 fed spec single material response

Surface Treatment

anodize

Surface Treatment Document And Classification

MIL-A-8625, type 2, class 2 mil spec single treatment response

Specification/standard Data

88044-AN6289 government standard

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National Stock Number
4730-00-277-5078
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