5310-01-304-7974

Find complete technical information, availability, and procurement data for: 5310-01-304-7974
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-304-7974

Item Name Code

15933

Assigment Date

07/27/1989 (37 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.

89.5 degrees minimum and 90.5 degrees maximum bottom recess angle, 0.120 inches minimum and 0.130 inches maximum material thickness, 0.740 inches minimum and 0.760 inches maximum outside diameter, 0.375 inches minimum and 0.385 inches maximum hole diameter, 0.020 inches minimum and 0.030 inches maximum top recess 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: 0.375 inches minimum and 0.385 inches maximum
Outside Diameter: 0.740 inches minimum and 0.760 inches maximum
Material Thickness: 0.120 inches minimum and 0.130 inches maximum
Top Recess Diameter: 0.020 inches minimum and 0.030 inches maximum
Bottom Recess Angle: 89.5 degrees minimum and 90.5 degrees maximum
Top Recess Angle: 89.5 degrees minimum and 90.5 degrees maximum
Bottom Recess Diameter: 0.020 inches minimum and 0.030 inches maximum
Surface Finish: 63.0 microinches bottom
Surface Finish: 63.0 microinches top
Material: steel comp 630 overall
Material Document And Classification: ams 5604 assn std single material response or ams 5643 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Style Designator: recessed both sides

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
140-007-24S24B4	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-01-304-7974?

The FSCG of the NSN 5310-01-304-7974 is 5310

Does the NSN 5310-01-304-7974 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-304-7974 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 5310-01-304-7974 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-304-7974 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 5310-01-304-7974 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Jul 27, 1989