D33-4

View detailed technical data, stock status, and sourcing information for: D33-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-159-8570

Item Name Code

15938

Assigment Date

08/14/1983 (42 years ago)

A shaped metallic item designed to increase the effectiveness of radio frequency/electromagnetic interference, or a nonmetallic item containing a wire mesh, metal, or other electrically conductive particles designed to provide environmental sealing and radio frequency/electromagnetic interference shielding. For bulk items see wire mesh, knitted or gasketing material, conductive.

steel comp 302 overall material, 0.007 inches minimum and 0.011 inches maximum material thickness, 0.365 inches minimum and 0.375 inches maximum outside diameter, 0.195 inches minimum and 0.205 inches maximum hole diameter, 0.042 inches minimum and 0.052 inches maximum overall height

Product Characteristics

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

Hole Diameter: 0.195 inches minimum and 0.205 inches maximum
Outside Diameter: 0.365 inches minimum and 0.375 inches maximum
Overall Height: 0.042 inches minimum and 0.052 inches maximum
Material Thickness: 0.007 inches minimum and 0.011 inches maximum
Material: steel comp 302 overall
Material Document And Classification: qq-s-766 fed spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: 186,code 216 mil std single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-005-8145	No Name Available	03/01/1990

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
11574618	Spring Tension Washer
D33-4	Spring Tension Washer
L11574618	Spring Tension Washer
SU-4	Spring Tension Washer

FAQs

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

What is the FSCG of the NSN 5310-01-159-8570?

The FSCG of the NSN 5310-01-159-8570 is 5310

Does the NSN 5310-01-159-8570 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-159-8570 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 5310-01-159-8570 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-159-8570 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 5310-01-159-8570 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sun, Aug 14, 1983