NSN 5310-00-543-4431 NIIN — Lock Washer

National Stock number : 5310-00-543-4431

Lock Washer


Available Quantity 2,406
Available Conditions NE NS SV
Classification Nuts and Washers - FSC 5310
Schedule B 7318210000
Stock Check Date 06/05/2026
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

Lock Washer

Hole Diameter

0.319in. and 0.333in. ⁓11/32"

Outside Diameter

0.575in.

Material Thickness

0.056in. and 0.066in.

Hardness Rating

35.0 rockwell c and 43.0 rockwell c

Material

steel comp 301

Material Document And Classification

fed std 66, cres 300series fed std single material response

Surface Treatment

passivate

Surface Treatment Document And Classification

QQ-P-35 fed spec single treatment response

Style Designator

split HELICAL-Right hand

Nondefinitive Spec/std Data

1 style and b or c class

Pricing and Availability Quote

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National Stock Number
5310-00-543-4431
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