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5310-01-025-1663

Lock Washer

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Official Item Classification

Name
Lock Washer
(NSN) National Stock Number
5310-01-025-1663
(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
07/28/1976 (50 years ago)

0.291 inches minimum and 0.296 inches maximum outside diameter, 0.168 inches minimum and 0.178 inches maximum hole diameter, copper alloy overall material, 0.040 inches minimum and 0.046 inches maximum material thickness, 72000 pounds per square inch minimum tensile strength

Specs & Compatibility

Hole Diameter

0.168 inches minimum and 0.178 inches maximum

Outside Diameter

0.291 inches minimum and 0.296 inches maximum

Material Thickness

0.040 inches minimum and 0.046 inches maximum

Minimum Tensile Strength

72000 pounds per square inch

Material

copper alloy overall

Style Designator

split helical-right hand

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
MS75009-16 Lock Washer
VBE616D1 Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-025-1663?
The FSCG of the NSN 5310-01-025-1663 is 5310
Does the NSN 5310-01-025-1663 have a Schedule B code assigned?
Yes, the Schedule B code is 7415210000
Does NSN 5310-01-025-1663 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 5310-01-025-1663 contain precious materials?
Precious metal content is unknown
Does NSN 5310-01-025-1663 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 5310-01-025-1663 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Wed, Jul 28, 1976