726736-1

View detailed technical data, stock status, and sourcing information for: 726736-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-791-9596

Item Name Code

01854

Assigment Date

06/14/1968 (58 years ago)

3b thread class, castellated, hexagon nut style, 0.553 inches minimum and 0.564 inches maximum width across flats, right-hand thread direction, 0.476 inches nominal nut height

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Nut Style: castellated, hexagon
Nut Height: 0.476 inches nominal
Width Across Flats: 0.553 inches minimum and 0.564 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 24
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum
Nominal Thread Size: 0.375 inches
Countersink Angle: 90.0 degrees nominal both ends
Bearing Surface Type: washer faced
Bearing Surface Finish: 63.0 microinches
Material: steel comp 8740 overall
Material Document And Classification: mil-s-6049 cond c mil spec single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response 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
726736-1	Nut,plain,castellated,hexagon

FAQs

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

What is the FSCG of the NSN 5310-00-791-9596?

The FSCG of the NSN 5310-00-791-9596 is 5310

Does the NSN 5310-00-791-9596 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-791-9596 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 5310-00-791-9596 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-791-9596 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 5310-00-791-9596 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, Jun 14, 1968