NSN 5310-01-053-3983 NIIN — Key Washer

National Stock number : 5310-01-053-3983

Key Washer


Available Quantity 53
Available Conditions NE NS
Classification Nuts and Washers - FSC 5310
Schedule B 7415210000
Stock Check Date 01/14/2026
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

Key Washer

Hole Diameter

0.375in. and 0.380in. ⁓25/64"

Outside Diameter

0.625in.

External Prebent Key Length

0.060in.

Internal Prebent Key Width

0.065in.

Material Thickness

0.032in.

Hardness Rating

57.0 rockwell b and 77.0 rockwell b

Material

copper alloy

Material Document And Classification

QQ-B-613, form sheet, 1/2 hard fed spec single material response

Surface Treatment

nickel

Surface Treatment Document And Classification

QQ-N-290, class 2 fed spec single treatment response

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National Stock Number
5310-01-053-3983
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