ST1-4-20X3-8

View detailed technical data, stock status, and sourcing information for: ST1-4-20X3-8
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-364-8720

Item Name Code

01847

Assigment Date

02/22/1974 (52 years ago)

undercut hexagon head style, 0.250 inches minimum thread length, 2a thread class, 0.375 inches nominal fastener length, right-hand thread direction

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: 0.250 inches minimum
Fastener Length: 0.375 inches nominal
Head Style: undercut hexagon
Head Height: 0.163 inches maximum
Width Between Flats: 0.440 inches maximum
Nominal Thread Diameter: 0.250 inches
Features Provided: finished head
Thread Quantity Per Inch: 20
Material: steel corrosion resisting overall
Surface Treatment: passivate 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
ST1-4-20-3-8	Machine Bolt
ST1-4-20X3-8	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-364-8720?

The FSCG of the NSN 5306-00-364-8720 is 5306

Does the NSN 5306-00-364-8720 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-364-8720 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 5306-00-364-8720 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-364-8720 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 5306-00-364-8720 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Fri, Feb 22, 1974