91964-040

View detailed technical data, stock status, and sourcing information for: 91964-040
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-191-4940

Item Name Code

13393

Assigment Date

03/16/1970 (56 years ago)

0.653 inches minimum and 0.656 inches maximum hole diameter, round peripheral shape style, rectangular cross-sectional shape style, 0.0395 inches minimum and 0.0405 inches maximum thickness, round center hole shape style

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: 0.653 inches minimum and 0.656 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.0395 inches minimum and 0.0405 inches maximum
Overall Diameter: 0.990 inches minimum and 1.010 inches maximum
Hardness Rating: 35.0 rockwell c minimum and 45.0 rockwell c maximum
Material: steel comp 410 overall
Material Document And Classification: ams 5504 assn std single material response 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
91964-040	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-191-4940?

The FSCG of the NSN 5310-00-191-4940 is 5310

Does the NSN 5310-00-191-4940 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-191-4940 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 5310-00-191-4940 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-191-4940 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 5310-00-191-4940 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Mar 16, 1970