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61000-4 Lock Washer

5310-00-800-4264

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

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Featured Parts

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Mounting Bracket
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Angle Bracket
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Angle Bracket
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Mending Plate
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Mending Plate
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Cap Plain Nut
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Machine Bolt

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Official Item Classification

Name
Lock Washer
Part Number
61000-4
(NSN) National Stock Number
5310-00-800-4264
(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
01/01/1962 (64 years ago)

0.396 inches minimum and 0.408 inches maximum outside diameter, 0.256 inches minimum and 0.267 inches maximum hole diameter, copper alloy overall material, 0.041 inches minimum and 0.051 inches maximum material thickness, nickel overall surface treatment

Specs & Compatibility

Hole Diameter

0.256 inches minimum and 0.267 inches maximum

Outside Diameter

0.396 inches minimum and 0.408 inches maximum

Material Thickness

0.041 inches minimum and 0.051 inches maximum

Material

copper alloy overall

Surface Treatment

nickel overall

Style Designator

flat internal teeth

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
61000-4 Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-800-4264?
The FSCG of the NSN 5310-00-800-4264 is 5310
Does the NSN 5310-00-800-4264 have a Schedule B code assigned?
Yes, the Schedule B code is 7415210000
Does NSN 5310-00-800-4264 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 5310-00-800-4264 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-800-4264 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 5310-00-800-4264 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962