5310-01-368-3049

Find complete technical information, availability, and procurement data for: 5310-01-368-3049
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-368-3049

Item Name Code

14218

Assigment Date

11/28/1992 (33 years ago)

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is raised to form a curved or spherical contour. See also washer (1), concave. Excludes:bearing, washer thrust.

5.2 millimeters minimum and 5.5 millimeters maximum hole diameter, 10.8 millimeters maximum outside diameter, 45.0 rockwell c minimum and 53.0 rockwell c maximum hardness rating, 1.7 millimeters minimum and 1.9 millimeters maximum material thickness, 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

Product Characteristics

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

Hole Diameter: 5.2 millimeters minimum and 5.5 millimeters maximum
Outside Diameter: 10.8 millimeters maximum
Material Thickness: 1.7 millimeters minimum and 1.9 millimeters maximum
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum
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
Surface Treatment: zinc overall
Style Designator: split helical-right hand

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
88-22331-4	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-368-3049?

The FSCG of the NSN 5310-01-368-3049 is 5310

Does the NSN 5310-01-368-3049 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-368-3049 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 5310-01-368-3049 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-368-3049 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 5310-01-368-3049 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Sat, Nov 28, 1992