5306-01-158-6241

Find complete technical information, availability, and procurement data for: 5306-01-158-6241
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-158-6241

Item Name Code

15903

Assigment Date

07/26/1983 (43 years ago)

double hexagon w/hole head style, 3.278 inches minimum and 3.298 inches maximum fastener length, right-hand thread direction, 3a thread class, 0.768 inches minimum and 0.808 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: 3a
Thread Direction: right-hand
Thread Length: 0.768 inches minimum and 0.808 inches maximum
Fastener Length: 3.278 inches minimum and 3.298 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.494 inches minimum and 0.514 inches maximum
Width Between Flats: 0.552 inches minimum and 0.572 inches maximum
Extended Washer Diameter: 0.818 inches minimum and 0.828 inches maximum
Extended Washer Thickness: 0.113 inches minimum and 0.133 inches maximum
Grip Diameter: 0.4985 inches minimum and 0.4995 inches maximum
Nominal Thread Diameter: 0.500 inches
Grip Length: 2.490 inches minimum and 2.510 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Material: steel comp 4140 or steel comp e4340 or steel comp 8740 or steel comp 6150 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty2,cl2 fed spec single treatment 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
MS21250-08040	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-158-6241?

The FSCG of the NSN 5306-01-158-6241 is 5306

Does the NSN 5306-01-158-6241 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-158-6241 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 5306-01-158-6241 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-158-6241 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 5306-01-158-6241 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Tue, Jul 26, 1983