MS51415-10

View detailed technical data, stock status, and sourcing information for: MS51415-10
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-236-1717

Item Name Code

14218

Assigment Date

07/14/1986 (40 years ago)

A washer or cone or disk shape with a centrally located hole, designed to accommodate a flat or oval head screw and provide additional bearing area on the material being fastened. It may or may not have a flush flange feature.

45.0 rockwell c minimum and 53.0 rockwell c maximum hardness rating, quenched and tempered heat treatment, 1.079 inches maximum outside diameter, 0.166 inches maximum material thickness, 0.636 inches minimum and 0.653 inches maximum hole 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: 0.636 inches minimum and 0.653 inches maximum
Outside Diameter: 1.079 inches maximum
Material Thickness: 0.166 inches maximum
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum
Heat Treatment: quenched and tempered
Material: steel comp 1060 or steel comp 1064 or steel comp 1065 or steel comp 1566 or steel comp 1069 or steel comp 1070 or steel comp 1074 or steel comp 1075 or steel comp 1078 or steel comp 1080 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astm b633,ty 2,cl 3 assn std single treatment response overall
Style Designator: split helical-right hand
Nondefinitive Spec/Std Data: a class and 2 style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-01-115-2555	No Name Available	03/01/1988

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
MS51415-10	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-236-1717?

The FSCG of the NSN 5310-01-236-1717 is 5310

Does the NSN 5310-01-236-1717 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-236-1717 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 5310-01-236-1717 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-236-1717 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 5310-01-236-1717 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Mon, Jul 14, 1986