5306-00-783-4778

Find complete technical information, availability, and procurement data for: 5306-00-783-4778
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-783-4778

Item Name Code

06666

Assigment Date

01/01/1962 (64 years ago)

3a thread class, right-hand thread direction, 1.081 inches nominal thread length, 1.617 inches nominal fastener length, 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: 1.081 inches nominal
Fastener Length: 1.617 inches nominal
Head Style: flat chamfer
Head Diameter: 0.773 inches minimum and 0.774 inches maximum
Head Height: 0.460 inches nominal
Shank Unthreaded Hole Diameter: 0.062 inches minimum and 0.065 inches maximum first hole
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.374 inches minimum and 0.375 inches maximum
Thread Quantity Per Inch: 24
Distance From Head Largest Bearing Surface To Shank Hole Center: 0.085 inches minimum and 0.115 inches maximum first hole
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp 4140 overall
Surface Treatment: 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
32-31840-3	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-783-4778?

The FSCG of the NSN 5306-00-783-4778 is 5306

Does the NSN 5306-00-783-4778 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-783-4778 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 5306-00-783-4778 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-783-4778 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 5306-00-783-4778 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962