5306-00-687-7388

Find complete technical information, availability, and procurement data for: 5306-00-687-7388
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-687-7388

Item Name Code

06675

Assigment Date

01/01/1963 (63 years ago)

round w/wrench flats head style, 0.550 inches minimum and 0.570 inches maximum head diameter, 0.673 inches minimum thread length, 1.230 inches minimum and 1.250 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 Direction: right-hand
Thread Length: 0.673 inches minimum
Fastener Length: 1.230 inches minimum and 1.250 inches maximum
Head Style: round w/wrench flats
Head Diameter: 0.550 inches minimum and 0.570 inches maximum
Head Height: 0.180 inches minimum and 0.200 inches maximum
Width Between Flats: 0.300 inches nominal
First Diameter From Head: 0.309 inches minimum and 0.312 inches maximum
Second Diameter From Head: 0.235 inches minimum and 0.245 inches maximum
Third Diameter From Head: 0.309 inches minimum and 0.312 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.120 inches minimum and 0.140 inches maximum
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 0.250 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Third Diameter: 0.454 inches nominal
Nominal Thread Diameter: 0.312 inches
Nonstandard Thread Pitch Diameter: +0.2797 to 0.2824 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 142000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Externally Relieved Body Diameter Quantity: 3
Material: steel comp 601 overall
Material Document And Classification: ams 6304 assn std single material response overall
Surface Treatment: copper and cadmium overall
Thread Series Designator: unf

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
383583	Externally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-687-7388?

The FSCG of the NSN 5306-00-687-7388 is 5306

Does the NSN 5306-00-687-7388 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-687-7388 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 5306-00-687-7388 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-687-7388 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 5306-00-687-7388 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963