NSN 4730-00-540-2015 NIIN — Tube Fitting Locknut

National Stock number : 4730-00-540-2015

Tube Fitting Locknut


Available Quantity 282
Available Conditions NS NE SV AR
Classification Hose, Pipe, Tube, Lubrication and Railing Fittings - FSC 4730
Stock Check Date 07/11/2025
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 Fitting Locknut

Thread Class

3b

Thread Direction

RIGHT-Hand

Nut Style

tube fitting locknut

Nut Height

0.250in. ⁓1/4"

End Item Identification

44n helicopter, lamps mark iii, SH-60B

Width Across Flats

0.563in. ⁓37/64"

Thread Series

unf

Packing Recess Diameter

0.483in.

Packing Recess Depth

0.037in.

Thread Quantity Per Inch

24

Nominal Thread Size

0.312in. ⁓5/16"

Nominal Tube Outside Diameter

0.125in.

Material

steel comp 304

Material Document And Classification

QQ-S-763, class 304 fed spec single material response

Surface Treatment

passivate

Surface Treatment Document And Classification

QQ-P-35-Type 1 fed spec single treatment response

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National Stock Number
4730-00-540-2015
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