5305-00-840-0668

Find complete technical information, availability, and procurement data for: 5305-00-840-0668
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-840-0668

Item Name Code

06672

Assigment Date

01/01/1962 (64 years ago)

0.188 inches nominal fastener length, headless (setscrew) head style, 2a thread class, right-hand thread direction, 0.188 inches maximum thread length

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.188 inches maximum
Fastener Length: 0.188 inches nominal
Head Style: headless (setscrew)
Spline Minor Diameter: 0.055 inches minimum and 0.056 inches maximum
Spline Major Diameter: 0.078 inches minimum and 0.079 inches maximum
Spline Width: 0.022 inches minimum and 0.023 inches maximum
Point Style: flat
Internal Drive Style: six spline
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Hardness Rating: 48.0 rockwell c minimum and 52.0 rockwell c maximum overall
Material: steel overall
Surface Treatment: cadmium overall
Thread Series Designator: unc

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
6401-378	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-840-0668?

The FSCG of the NSN 5305-00-840-0668 is 5305

Does the NSN 5305-00-840-0668 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-840-0668 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 5305-00-840-0668 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-840-0668 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 5305-00-840-0668 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962