5310-00-264-1240

Find complete technical information, availability, and procurement data for: 5310-00-264-1240
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-264-1240

Item Name Code

01859

Assigment Date

01/01/1963 (63 years ago)

A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes:nut (1), plain, slotted, hexagon.

3b thread class, 0.365 inches minimum and 0.377 inches maximum width across flats, slotted, hexagon nut style, right-hand thread direction, 0.172 inches minimum and 0.203 inches maximum 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: slotted, hexagon
Nut Height: 0.172 inches minimum and 0.203 inches maximum
Width Across Flats: 0.365 inches minimum and 0.377 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: steel corrosion resisting overall
Surface Treatment: passivate overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3655-00-797-4655	No Name Available	09/15/1971

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
5310PL0820306	Nut,plain,slotted,hexagon
AN320C3	Nut,plain,slotted,hexagon

FAQs

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

What is the FSCG of the NSN 5310-00-264-1240?

The FSCG of the NSN 5310-00-264-1240 is 5310

Does the NSN 5310-00-264-1240 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-264-1240 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 5310-00-264-1240 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-264-1240 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 5310-00-264-1240 was assigned to the Federal Catalog?

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