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1918-04 Lock Washer

5310-00-515-8708

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Official Item Classification

Name
Lock Washer
Part Number
1918-04
(NSN) National Stock Number
5310-00-515-8708
(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
01/01/1963 (63 years ago)

0.314 inches minimum and 0.322 inches maximum hole diameter, copper alloy overall material, flat internal teeth style designator, 0.425 inches minimum and 0.435 inches maximum outside diameter, 0.016 inches nominal material thickness

Specs & Compatibility

Hole Diameter

0.314 inches minimum and 0.322 inches maximum

Outside Diameter

0.425 inches minimum and 0.435 inches maximum

Material Thickness

0.016 inches nominal

Material

copper alloy overall

Style Designator

flat internal teeth

Replacement For

Part Number Description
5310-00-544-2455 No Name Available 01/01/1963

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
107003-567 Lock Washer
1918-04 Lock Washer
19200N PIECE 16 Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-515-8708?
The FSCG of the NSN 5310-00-515-8708 is 5310
Does the NSN 5310-00-515-8708 have a Schedule B code assigned?
Yes, the Schedule B code is 7415210000
Does NSN 5310-00-515-8708 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 5310-00-515-8708 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-515-8708 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 5310-00-515-8708 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963