5310-01-149-6256

Find complete technical information, availability, and procurement data for: 5310-01-149-6256
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-149-6256

Item Name Code

14218

Assigment Date

03/23/1983 (43 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.

0.625 inches nominal hole diameter, 45.0 rockwell c minimum and 53.0 rockwell c maximum hardness rating, 1.082 inches minimum and 1.092 inches maximum outside diameter, 0.126 inches minimum and 0.136 inches maximum material thickness, olive drab overall color

Product Characteristics

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

Hole Diameter: 0.625 inches nominal
Outside Diameter: 1.082 inches minimum and 1.092 inches maximum
Material Thickness: 0.126 inches minimum and 0.136 inches maximum
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum
Color: olive drab overall
Material: steel overall
Surface Treatment: zinc and chromate overall
Style Designator: split helical-right hand

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
N4059P17B11	Lock Washer
N405P17B11	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-149-6256?

The FSCG of the NSN 5310-01-149-6256 is 5310

Does the NSN 5310-01-149-6256 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-149-6256 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 5310-01-149-6256 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-149-6256 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 5310-01-149-6256 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Wed, Mar 23, 1983