5310-00-531-3018

Find complete technical information, availability, and procurement data for: 5310-00-531-3018
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-531-3018

Item Name Code

13393

Assigment Date

01/01/1963 (63 years ago)

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes:laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes:disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

round peripheral shape style, rectangular cross-sectional shape style, 0.258 inches nominal hole diameter, round center hole shape style, 0.020 inches nominal thickness

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.258 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.020 inches nominal
Overall Diameter: 0.358 inches nominal
Material: plastic polytetrafluoroethylene overall

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
206534	Flat Washer
K206534	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-531-3018?

The FSCG of the NSN 5310-00-531-3018 is 5310

Does the NSN 5310-00-531-3018 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5310-00-531-3018 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 5310-00-531-3018 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-531-3018 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 5310-00-531-3018 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963