5306-01-021-8356

Find complete technical information, availability, and procurement data for: 5306-01-021-8356
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-021-8356

Item Name Code

04905

Assigment Date

05/21/1976 (50 years ago)

An externally threaded fastener the head of which is usually flat with a periphery not concentric to the bolt shank. The head is not designed for wrenching. It may have a drive feature located at the threaded end, which can be used to rotate the screw and eccentric head into a locking position to secure a flanged or groove component.

3.830 inches nominal fastener length, 3a thread class, 0.623 inches minimum and 0.624 inches maximum first shoulder shoulder diameter, 0.260 inches nominal thread 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: 0.260 inches nominal
Fastener Length: 3.830 inches nominal
Shoulder Diameter: 0.623 inches minimum and 0.624 inches maximum first shoulder
Shoulder Length: 1.080 inches nominal first shoulder
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 20
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 3.680 inches nominal first hole
Shoulder Shape: round first shoulder
Material: steel overall
Material Document And Classification: mil-s-6758,cond d1 mil spec 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
220-24526-103	Shoulder Bolt
220-24526-104	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-021-8356?

The FSCG of the NSN 5306-01-021-8356 is 5306

Does the NSN 5306-01-021-8356 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-021-8356 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 5306-01-021-8356 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-021-8356 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 5306-01-021-8356 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Fri, May 21, 1976