Aerospace

Hardware

N406P1 Lock Washer

5310-01-059-1969

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Official Item Classification

Name: Lock Washer
Part Number: N406P1
(NSN) National Stock Number: 5310-01-059-1969
(FSG) Federal Supply Group: 53 Hardware and Abrasives
(FSC) Federal Supply Classification: 5310 Nuts and Washers
(INC) Item Name Code: 14218
(FIIG) Federal Item Identification Guide: A022B0
Date: 04/08/1978 (48 years ago)

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

Specs & Compatibility

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

Regulatory Compliance

Precious Metals Indicator

U

Precious metal content is unknown

Criticality Code

X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator

N

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

Pseudo Item Name Code

0014218

Related Hardware Products

Part Number	Description
N406P1	Lock Washer

Frequently Asked Questions

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