ST660430-6

View detailed technical data, stock status, and sourcing information for: ST660430-6
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-144-8323

Item Name Code

01860

Assigment Date

01/17/1973 (53 years ago)

A nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole.

right-hand thread direction, 0.185 inches minimum and 0.188 inches maximum pilot diameter, 0.149 inches minimum and 0.156 inches maximum nut counterbore diameter, 0.120 inches minimum and 0.130 inches maximum pilot length, 2b thread class

Product Characteristics

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

Thread Class: 2b
Thread Direction: right-hand
Pilot Diameter: 0.185 inches minimum and 0.188 inches maximum
Pilot Length: 0.120 inches minimum and 0.130 inches maximum
Counterbore Diameter: 0.149 inches minimum and 0.156 inches maximum nut
Nut Style: clinch
Nut Diameter: 0.247 inches minimum and 0.253 inches maximum
Nut Height: 0.307 inches minimum and 0.317 inches maximum
Nut Counterbore Depth: 0.209 inches minimum and 0.224 inches maximum nut
Thread Series: unc
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.138 inches
Material: steel comp 303 overall
Material Document And Classification: astm a582 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-f-14072 finish e300 mil spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-01-040-2367	No Name Available	08/01/1990

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
6311CSS0632	Clinch Plain Nut
6311CSS0632-7	Clinch Plain Nut
ST660430-6	Clinch Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-144-8323?

The FSCG of the NSN 5310-00-144-8323 is 5310

Does the NSN 5310-00-144-8323 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-144-8323 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 5310-00-144-8323 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-144-8323 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 5310-00-144-8323 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, Jan 17, 1973