180612-1

View detailed technical data, stock status, and sourcing information for: 180612-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-239-7641

Item Name Code

13393

Assigment Date

01/05/1972 (54 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

0.025 inches minimum and 0.035 inches maximum thickness, rectangular cross-sectional shape style, 0.310 inches nominal hole diameter, round center hole shape style, round peripheral shape style

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: 0.310 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.025 inches minimum and 0.035 inches maximum
Overall Diameter: 0.500 inches nominal
Hardness Rating: 47.0 vickers or firth diamond pyramid minimum and 52.0 rockwell c maximum
Heat Treatment: quenched and tempered
Material: steel comp 1095 overall
Material Document And Classification: mil-s-7947 mil spec single material response overall
Surface Treatment: phosphate overall
Surface Treatment Document And Classification: mil-p-16232tym mil spec single treatment 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
180612-1	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-239-7641?

The FSCG of the NSN 5310-00-239-7641 is 5310

Does the NSN 5310-00-239-7641 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-239-7641 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 5310-00-239-7641 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-239-7641 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 5310-00-239-7641 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Jan 5, 1972