SL40-720

View detailed technical data, stock status, and sourcing information for: SL40-720
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-074-4634

Item Name Code

15891

Assigment Date

01/01/1961 (65 years ago)

A nut of cylindrical or partly cylindrical cross-section with integral threads perpendicular to the axial centerline. Ends may be flat or flanged. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, round.

3b thread class, right-hand thread direction, floating self-locking barrel nut style, 0.741 inches nominal nut diameter, prevailing torque all metal design locking feature

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
Locking Feature: prevailing torque all metal design
Nut Style: floating self-locking barrel
Nut Diameter: 0.741 inches nominal
Nut Length: 0.875 inches nominal
Nut Height: 0.640 inches nominal
Temp Rating: 550.0 fahrenheit nominal
Thread Series: unf
Features Provided: floating nut
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.438 inches
Material: steel overall
Surface Treatment: cadmium 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
SL40-720	Barrel Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-074-4634?

The FSCG of the NSN 5310-00-074-4634 is 5310

Does the NSN 5310-00-074-4634 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-074-4634 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 5310-00-074-4634 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-074-4634 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 5310-00-074-4634 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961