5310-00-407-2187

Find complete technical information, availability, and procurement data for: 5310-00-407-2187
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-407-2187

Item Name Code

14218

Assigment Date

07/08/1970 (56 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

0.142 inches minimum and 0.150 inches maximum hole diameter, 0.018 inches nominal material thickness, 0.278 inches minimum and 0.288 inches maximum outside diameter, copper alloy overall material, nickel overall surface treatment

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 0.142 inches minimum and 0.150 inches maximum
Outside Diameter: 0.278 inches minimum and 0.288 inches maximum
Material Thickness: 0.018 inches nominal
Material: copper alloy overall
Surface Treatment: nickel overall
Surface Treatment Document And Classification: qq-n-290 fed spec single treatment response overall
Style Designator: flat internal teeth

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
107003-256	Lock Washer

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-00-407-2187?

The FSCG of the NSN 5310-00-407-2187 is 5310

Does the NSN 5310-00-407-2187 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-00-407-2187 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 5310-00-407-2187 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-407-2187 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 5310-00-407-2187 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Jul 8, 1970