5310-01-286-8007

Find complete technical information, availability, and procurement data for: 5310-01-286-8007
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-286-8007

Item Name Code

14218

Assigment Date

10/08/1988 (37 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

steel comp 431 overall material, 11.4 millimeters nominal outside diameter, 1.5 millimeters minimum and 1.7 millimeters maximum material thickness, 6.3 millimeters minimum and 6.7 millimeters maximum hole diameter, 45.0 rockwell c minimum and 53.0 rockwell c maximum hardness rating

Product Characteristics

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

Hole Diameter: 6.3 millimeters minimum and 6.7 millimeters maximum
Outside Diameter: 11.4 millimeters nominal
Material Thickness: 1.5 millimeters minimum and 1.7 millimeters maximum
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum
Material: steel comp 431 overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response 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
5310PL0818387	Lock Washer
5338739-004SS	Lock Washer
5338739-004SX	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-286-8007?

The FSCG of the NSN 5310-01-286-8007 is 5310

Does the NSN 5310-01-286-8007 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-286-8007 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 5310-01-286-8007 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-286-8007 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 5310-01-286-8007 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Sat, Oct 8, 1988