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0740823 Lock Washer

5310-00-171-1734

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Official Item Classification

Name
Lock Washer
Part Number
0740823
(NSN) National Stock Number
5310-00-171-1734
(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
02/11/1973 (53 years ago)

0.460 inches nominal outside diameter, 0.093 inches nominal material thickness, annealed heat treatment, 0.318 inches minimum and 0.328 inches maximum hole diameter, steel overall material

Specs & Compatibility

Hole Diameter

0.318 inches minimum and 0.328 inches maximum

Outside Diameter

0.460 inches nominal

Material Thickness

0.093 inches nominal

Heat Treatment

annealed

Material

steel overall

Surface Treatment

cadmium overall

Style Designator

split helical-right hand

Replacement For

Part Number Description
5310-00-161-9724 No Name Available 01/01/1983
5310-00-185-9764 No Name Available 09/01/1995
5310-00-472-2895 No Name Available 11/01/1995
5310-00-813-1626 No Name Available 09/01/1983

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

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Frequently Asked Questions

What is the FSCG of the NSN 5310-00-171-1734?
The FSCG of the NSN 5310-00-171-1734 is 5310
Does the NSN 5310-00-171-1734 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-00-171-1734 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 5310-00-171-1734 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-171-1734 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 5310-00-171-1734 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Sun, Feb 11, 1973