5310-01-281-3404

Find complete technical information, availability, and procurement data for: 5310-01-281-3404
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-281-3404

Item Name Code

13393

Assigment Date

06/22/1988 (38 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.

0.200 inches minimum and 0.210 inches maximum hole diameter, rectangular cross-sectional shape style, round center hole shape style, round peripheral shape style, 0.060 inches minimum and 0.063 inches maximum thickness

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.200 inches minimum and 0.210 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.060 inches minimum and 0.063 inches maximum
Overall Diameter: 0.355 inches minimum and 0.365 inches maximum
Hardness Rating: 20.0 rockwell c minimum
Material: steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 321 or steel comp 347 overall
Material Document And Classification: qq-s-766 fed spec all material responses overall
Surface Treatment: passivate overall

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
MS51496P74	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-281-3404?

The FSCG of the NSN 5310-01-281-3404 is 5310

Does the NSN 5310-01-281-3404 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-281-3404 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 5310-01-281-3404 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-281-3404 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 5310-01-281-3404 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Wed, Jun 22, 1988