8018591

View detailed technical data, stock status, and sourcing information for: 8018591
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-511-8078

Item Name Code

13393

Assigment Date

01/01/1963 (63 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

round peripheral shape style, 0.125 inches nominal thickness, rectangular cross-sectional shape style, round center hole shape style, 0.250 inches nominal hole diameter

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: 0.250 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.125 inches nominal
Overall Diameter: 0.562 inches nominal
Material: steel comp 303 overall
Material Document And Classification: qq-s-763,ty a fed spec single material response 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
8018591	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-511-8078?

The FSCG of the NSN 5310-00-511-8078 is 5310

Does the NSN 5310-00-511-8078 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-511-8078 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 5310-00-511-8078 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-511-8078 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 5310-00-511-8078 was assigned to the Federal Catalog?

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