5310-01-235-2057

Find complete technical information, availability, and procurement data for: 5310-01-235-2057
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-235-2057

Item Name Code

14218

Assigment Date

06/26/1986 (40 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.

0.141 inches minimum and 0.150 inches maximum hole diameter, 0.016 inches minimum and 0.022 inches maximum material thickness, 89.0 rockwell b minimum and 94.0 rockwell b maximum hardness rating, 0.305 inches minimum and 0.320 inches maximum outside diameter, steel comp 1050 or steel comp 1551 or steel comp 1552 or steel comp 1053 or steel comp 1054 or steel comp 1055 or steel comp 1059 or steel comp 1060 or steel comp 1561 or steel comp 1062 or steel comp 1064 overall material

Product Characteristics

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

Hole Diameter: 0.141 inches minimum and 0.150 inches maximum
Outside Diameter: 0.305 inches minimum and 0.320 inches maximum
Material Thickness: 0.016 inches minimum and 0.022 inches maximum
Hardness Rating: 89.0 rockwell b minimum and 94.0 rockwell b maximum
Material: steel comp 1050 or steel comp 1551 or steel comp 1552 or steel comp 1053 or steel comp 1054 or steel comp 1055 or steel comp 1059 or steel comp 1060 or steel comp 1561 or steel comp 1062 or steel comp 1064 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: astm b633 assn std single treatment response overall
Style Designator: flat external teeth
Nondefinitive Spec/Std Data: 2 type and 1 composition

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
MS51414-1	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-235-2057?

The FSCG of the NSN 5310-01-235-2057 is 5310

Does the NSN 5310-01-235-2057 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-235-2057 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 5310-01-235-2057 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-235-2057 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 5310-01-235-2057 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Thu, Jun 26, 1986