AN320C12

View detailed technical data, stock status, and sourcing information for: AN320C12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-721-7273

Item Name Code

01859

Assigment Date

01/01/1963 (63 years ago)

1.109 inches minimum and 1.127 inches maximum width across flats, 0.359 inches minimum and 0.391 inches maximum nut height, right-hand thread direction, 3b thread class, slotted, hexagon nut style

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: 0.359 inches minimum and 0.391 inches maximum
Width Across Flats: 1.109 inches minimum and 1.127 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 16
Nominal Thread Size: 0.750 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-596-7064	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
AN320C12	Nut,plain,slotted,hexagon

FAQs

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

What is the FSCG of the NSN 5310-00-721-7273?

The FSCG of the NSN 5310-00-721-7273 is 5310

Does the NSN 5310-00-721-7273 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-721-7273 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 5310-00-721-7273 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-721-7273 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 5310-00-721-7273 was assigned to the Federal Catalog?

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