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1KA11 Lock Washer

5310-01-595-4420

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Official Item Classification

Name
Lock Washer
Part Number
1KA11
(NSN) National Stock Number
5310-01-595-4420
(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
04/27/2011 (15 years ago)

0.502 inches nominal hole diameter, 6640-01-547-1760 petroleum quality analysis system end item identification, 0.869 inches nominal outside diameter, 0.125 inches nominal material thickness, 35.0 rockwell c nominal hardness rating

Specs & Compatibility

Hole Diameter

0.502 inches nominal

Outside Diameter

0.869 inches nominal

Material Thickness

0.125 inches nominal

End Item Identification

6640-01-547-1760 petroleum quality analysis system

Hardness Rating

35.0 rockwell c nominal

Part Name Assigned By Controlling Agency

split lock washer

Special Features

galvanized finish

Material

steel 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
1KA11 Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-595-4420?
The FSCG of the NSN 5310-01-595-4420 is 5310
Does the NSN 5310-01-595-4420 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-01-595-4420 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 5310-01-595-4420 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-595-4420 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 5310-01-595-4420 was assigned to the Federal Catalog?
It was assigned 15 years ago, on Wed, Apr 27, 2011