4020685

View detailed technical data, stock status, and sourcing information for: 4020685
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-392-1621

Item Name Code

04905

Assigment Date

04/01/1974 (52 years ago)

3a thread class, 0.300 inches minimum and 0.385 inches maximum thread length, hexagon head style, 0.510 inches minimum and 0.530 inches maximum 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: 3a
Thread Direction: right-hand
Thread Length: 0.300 inches minimum and 0.385 inches maximum
Fastener Length: 0.510 inches minimum and 0.530 inches maximum
Head Style: hexagon
Head Height: 0.110 inches minimum and 0.125 inches maximum
Width Between Flats: 0.367 inches minimum and 0.376 inches maximum
Shoulder Diameter: 0.2188 inches minimum and 0.2193 inches maximum first shoulder
Shoulder Length: 0.145 inches minimum and 0.165 inches maximum first shoulder
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 130000 pounds per square inch
Hardness Rating: 24.0 rockwell c minimum and 34.0 rockwell c maximum overall
Minimum Yield Strength: 85000 pounds per square inch
Shoulder Shape: round first shoulder
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 assn std single material response overall
Thread Series Designator: unjf

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
4020685	Shoulder Bolt
4020685C	Shoulder Bolt
5306PL1495326	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-392-1621?

The FSCG of the NSN 5306-00-392-1621 is 5306

Does the NSN 5306-00-392-1621 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-392-1621 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 5306-00-392-1621 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-392-1621 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 5306-00-392-1621 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Mon, Apr 1, 1974