5310-01-238-1520

Find complete technical information, availability, and procurement data for: 5310-01-238-1520
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-238-1520

Item Name Code

14218

Assigment Date

08/11/1986 (39 years ago)

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes:insulator, washer and thrust type washers.

0.094 inches minimum material thickness, 45.0 rockwell c minimum and 53.0 rockwell c maximum hardness rating, black overall color, 0.382 inches minimum and 0.393 inches maximum hole diameter, 0.683 inches maximum outside diameter

Product Characteristics

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

Hole Diameter: 0.382 inches minimum and 0.393 inches maximum
Outside Diameter: 0.683 inches maximum
Material Thickness: 0.094 inches minimum
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum
Color: black overall
Material: steel comp 1060 or steel comp 1070 or steel comp 1080 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: oxide overall
Surface Treatment Document And Classification: mil-c-13924 class4 mil spec single treatment response overall
Style Designator: split helical-right hand
Nondefinitive Spec/Std Data: 4 class

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
MS35338-46B	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-238-1520?

The FSCG of the NSN 5310-01-238-1520 is 5310

Does the NSN 5310-01-238-1520 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-238-1520 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 5310-01-238-1520 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-238-1520 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 5310-01-238-1520 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Mon, Aug 11, 1986