ST1-4-20-3-8

View detailed technical data, stock status, and sourcing information for: ST1-4-20-3-8
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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)

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