CYRD307

View detailed technical data, stock status, and sourcing information for: CYRD307
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-662-6501

Item Name Code

13393

Assigment Date

01/01/1963 (63 years ago)

round center hole shape style, round peripheral shape style, 0.031 inches nominal thickness, 0.257 inches nominal hole diameter, rectangular cross-sectional 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: 0.257 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.031 inches nominal
Overall Diameter: 0.375 inches nominal
Hardness Rating: 42.0 rockwell c minimum and 48.0 rockwell c maximum
Surface Finish: 32.0 microinches bottom
Surface Finish: 32.0 microinches top
Material: steel comp 631 overall
Material Document And Classification: mil-s-25043 mil spec 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
CYRD307	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-662-6501?

The FSCG of the NSN 5310-00-662-6501 is 5310

Does the NSN 5310-00-662-6501 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-662-6501 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 5310-00-662-6501 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-662-6501 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 5310-00-662-6501 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963