5310-01-388-0522

Find complete technical information, availability, and procurement data for: 5310-01-388-0522
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-388-0522

Item Name Code

14218

Assigment Date

03/18/1994 (32 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

2.0 millimeters nominal material thickness, 44.0 rockwell c minimum and 51.0 rockwell c maximum hardness rating, steel overall material, 8.1 millimeters nominal hole diameter, 14.8 millimeters nominal 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: 8.1 millimeters nominal
Outside Diameter: 14.8 millimeters nominal
Material Thickness: 2.0 millimeters nominal
Hardness Rating: 44.0 rockwell c minimum and 51.0 rockwell c maximum
Material: steel 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
127-8MM	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-388-0522?

The FSCG of the NSN 5310-01-388-0522 is 5310

Does the NSN 5310-01-388-0522 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-388-0522 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 5310-01-388-0522 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-388-0522 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 5310-01-388-0522 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Mar 18, 1994