431839-1

View detailed technical data, stock status, and sourcing information for: 431839-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-027-5132

Item Name Code

14218

Assigment Date

09/18/1976 (49 years ago)

35.0 rockwell c minimum and 43.0 rockwell c maximum hardness rating, 0.125 inches nominal material thickness, steel comp 316 overall material, 0.509 inches minimum and 0.523 inches maximum hole diameter, 0.873 inches nominal outside diameter

Product Characteristics

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

Hole Diameter: 0.509 inches minimum and 0.523 inches maximum
Outside Diameter: 0.873 inches nominal
Material Thickness: 0.125 inches nominal
Hardness Rating: 35.0 rockwell c minimum and 43.0 rockwell c maximum
Material: steel comp 316 overall
Material Document And Classification: qq-s-763 fed spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Style Designator: split helical-right hand

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
431839-1	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-027-5132?

The FSCG of the NSN 5310-01-027-5132 is 5310

Does the NSN 5310-01-027-5132 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-027-5132 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 5310-01-027-5132 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-027-5132 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 5310-01-027-5132 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sat, Sep 18, 1976