5310-00-770-5743

Find complete technical information, availability, and procurement data for: 5310-00-770-5743
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-770-5743

Item Name Code

13393

Assigment Date

01/01/1960 (66 years ago)

rectangular peripheral shape style, 0.630 inches minimum and 0.640 inches maximum hole diameter, 0.082 inches minimum and 0.083 inches maximum thickness, round center hole shape style, 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: 0.630 inches minimum and 0.640 inches maximum
Peripheral Shape Style: rectangular
Center Hole Shape Style: round
Thickness: 0.082 inches minimum and 0.083 inches maximum
Length: 0.875 inches nominal
Width Across Flats: 0.875 inches nominal
Hardness Rating: 55.0 rockwell c minimum and 60.0 rockwell c maximum
Special Features: four corners are rounded by 0.125 radius and center hole is chamfered on one side 0.020 to 0.030 inches by 45 degrees
Material: steel overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2530-00-342-6671	No Name Available	01/01/1963

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
1188654	Flat Washer
B6007	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-770-5743?

The FSCG of the NSN 5310-00-770-5743 is 5310

Does the NSN 5310-00-770-5743 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-770-5743 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 5310-00-770-5743 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-770-5743 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 5310-00-770-5743 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960