AN12C57

View detailed technical data, stock status, and sourcing information for: AN12C57
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-497-3350

Item Name Code

01847

Assigment Date

10/14/1970 (55 years ago)

3a thread class, 6.015 inches minimum and 6.062 inches maximum fastener length, right-hand thread direction, hexagon head style, 1.061 inches minimum and 1.140 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: 1.061 inches minimum and 1.140 inches maximum
Fastener Length: 6.015 inches minimum and 6.062 inches maximum
Head Style: hexagon
Head Height: 0.390 inches minimum and 0.422 inches maximum
Width Between Flats: 1.053 inches minimum and 1.066 inches maximum
Shank Unthreaded Hole Diameter: 0.141 inches minimum and 0.151 inches maximum first hole
Nominal Thread Diameter: 0.750 inches
Grip Length: 4.922 inches minimum and 4.954 inches maximum
Features Provided: finished head
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 5.797 inches minimum and 5.829 inches maximum first hole
Material: steel comp 431 overall
Material Document And Classification: mil-s-18732 mil spec single material response overall
Surface Treatment: passivate 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
AN12C57	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-497-3350?

The FSCG of the NSN 5306-00-497-3350 is 5306

Does the NSN 5306-00-497-3350 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-497-3350 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 5306-00-497-3350 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-497-3350 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 5306-00-497-3350 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Oct 14, 1970