A4231R

View detailed technical data, stock status, and sourcing information for: A4231R
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-239-3547

Item Name Code

13393

Assigment Date

08/28/1986 (39 years ago)

0.180 inches nominal thickness, round center hole shape style, round peripheral shape style, 0.406 inches nominal hole diameter, rectangular cross-sectional shape style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.406 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.180 inches nominal
Overall Diameter: 1.109 inches minimum and 1.125 inches maximum
Material: steel comp 1015 or steel comp 1016 or steel comp 1018 or steel comp 1020 overall
Material Document And Classification: jdm 1018,cage 75160 mfr ref all material responses overall

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
24H1311	Flat Washer
3003163	Flat Washer
A4231R	Flat Washer

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-01-239-3547?

The FSCG of the NSN 5310-01-239-3547 is 5310

Does the NSN 5310-01-239-3547 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-239-3547 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5310-01-239-3547 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-239-3547 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-01-239-3547 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Aug 28, 1986