5306-01-345-4702

Find complete technical information, availability, and procurement data for: 5306-01-345-4702
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-345-4702

Item Name Code

06666

Assigment Date

09/19/1991 (34 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes:setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

flat chamfer head style, right-hand thread direction, 3a thread class, 0.500 inches nominal thread length, 1.950 inches nominal fastener 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: 0.500 inches nominal
Fastener Length: 1.950 inches nominal
Head Style: flat chamfer
Head Diameter: 0.375 inches nominal
Head Height: 0.250 inches nominal
First Diameter From Head: 0.193 inches minimum and 0.196 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 1.450 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.188 inches minimum and 0.190 inches maximum
Thread Quantity Per Inch: 20
Hardness Rating: 45.0 rockwell c minimum and 50.0 rockwell c maximum overall
Externally Relieved Body Diameter Quantity: 1
Material: steel overall
Surface Treatment: cadmium and chromate 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
68064-1	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-345-4702?

The FSCG of the NSN 5306-01-345-4702 is 5306

Does the NSN 5306-01-345-4702 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-345-4702 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 5306-01-345-4702 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-345-4702 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 5306-01-345-4702 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Thu, Sep 19, 1991