5310-01-016-3386

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Lock Washer

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

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Official Item Classification

Name: Lock Washer
(NSN) National Stock Number: 5310-01-016-3386
(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: 02/08/1976 (50 years ago)

0.317 inches minimum and 0.326 inches maximum hole diameter, 0.586 inches nominal outside diameter, steel overall material, 0.078 inches nominal material thickness, 45.0 rockwell c minimum and 51.0 rockwell c maximum hardness rating

Specs & Compatibility

Hole Diameter

0.317 inches minimum and 0.326 inches maximum

Outside Diameter

0.586 inches nominal

Material Thickness

0.078 inches nominal

Hardness Rating

45.0 rockwell c minimum and 51.0 rockwell c maximum

Material

steel overall

Surface Treatment

cadmium or zinc overall

Surface Treatment Document And Classification

qq-p-416,cl1,ty2 fed spec 1st treatment response or qq-z-325,cl1,ty2 fed spec 2nd treatment response overall

Style Designator

split helical-right hand

Regulatory Compliance

Precious Metals Indicator

Precious metal content is unknown

Criticality Code

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

Hazardous Metals Indicator

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
23E05	Lock Washer
23E5	Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-016-3386?

The FSCG of the NSN 5310-01-016-3386 is 5310

Does the NSN 5310-01-016-3386 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-016-3386 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 5310-01-016-3386 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-016-3386 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 5310-01-016-3386 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Sun, Feb 8, 1976