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5310-01-421-2005

Lock Washer

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Official Item Classification

Name
Lock Washer
(NSN) National Stock Number
5310-01-421-2005
(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
11/03/1995 (30 years ago)

0.683 inches maximum outside diameter, 0.382 inches minimum and 0.393 inches maximum hole diameter, steel comp 303 overall material, 0.010 inches nominal material thickness, astm a581 assn std single material response overall material document and classification

Specs & Compatibility

Hole Diameter

0.382 inches minimum and 0.393 inches maximum

Outside Diameter

0.683 inches maximum

Material Thickness

0.010 inches nominal

Material

steel comp 303 overall

Material Document And Classification

astm a581 assn std single material response overall

Style Designator

split helical-right hand

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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
A3210100-2 Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-421-2005?
The FSCG of the NSN 5310-01-421-2005 is 5310
Does the NSN 5310-01-421-2005 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-01-421-2005 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 5310-01-421-2005 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-421-2005 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 5310-01-421-2005 was assigned to the Federal Catalog?
It was assigned 30 years ago, on Fri, Nov 3, 1995