5306-01-374-1079

Find complete technical information, availability, and procurement data for: 5306-01-374-1079
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-374-1079

Item Name Code

06666

Assigment Date

04/16/1993 (33 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, splined or smoothed, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

3a thread class, 0.250 inches nominal thread length, 0.484 inches minimum and 0.516 inches maximum fastener length, right-hand thread direction, flat chamfer head style

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: 0.250 inches nominal
Fastener Length: 0.484 inches minimum and 0.516 inches maximum
Head Style: flat chamfer
Head Diameter: 0.303 inches minimum and 0.312 inches maximum
Head Height: 0.185 inches minimum and 0.190 inches maximum
First Diameter From Head: 0.1517 inches minimum and 0.1570 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.234 inches minimum and 0.266 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.156 inches nominal
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Externally Relieved Body Diameter Quantity: 1
Surface Finish: 63.0 microinches bearing surface of head32.0 microinches threads
Material: steel uns k03104 overall
Material Document And Classification: astm a574 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 fed spec all treatment responses overall
Thread Series Designator: unc

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
330-4006-010	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-374-1079?

The FSCG of the NSN 5306-01-374-1079 is 5306

Does the NSN 5306-01-374-1079 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-374-1079 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 5306-01-374-1079 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-374-1079 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 5306-01-374-1079 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Fri, Apr 16, 1993