N406P1

View detailed technical data, stock status, and sourcing information for: N406P1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-059-1969

Item Name Code

14218

Assigment Date

04/08/1978 (48 years ago)

A washer, round in shape, and having a centrally located hole. Its two flat parallel bearing surfaces are divided or cut along the radius, leaving a cleft, fissure, or cutaway portion across the rim whch extends from the outer circumference to the washer hole but which is never as large as the washer hole diameter. Excludes:washer (1), lock.

0.131 inches nominal outside diameter, 0.015 inches minimum and 0.021 inches maximum material thickness, 0.061 inches minimum and 0.071 inches maximum hole diameter, 35.0 rockwell c minimum and 43.0 rockwell c maximum hardness rating, steel comp 302 overall material

Product Characteristics

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

Hole Diameter: 0.061 inches minimum and 0.071 inches maximum
Outside Diameter: 0.131 inches nominal
Material Thickness: 0.015 inches minimum and 0.021 inches maximum
Hardness Rating: 35.0 rockwell c minimum and 43.0 rockwell c maximum
Material: steel comp 302 overall
Surface Treatment: passivate 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
N406P1	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-059-1969?

The FSCG of the NSN 5310-01-059-1969 is 5310

Does the NSN 5310-01-059-1969 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-059-1969 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 5310-01-059-1969 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-059-1969 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 5310-01-059-1969 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Apr 8, 1978