5306-01-044-6556

Find complete technical information, availability, and procurement data for: 5306-01-044-6556
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-044-6556

Item Name Code

06676

Assigment Date

07/18/1977 (49 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

3a thread class, dished hexagon head style, right-hand thread direction, 0.570 inches nominal thread length, 6.057 inches minimum and 6.087 inches maximum 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: 0.570 inches nominal
Fastener Length: 6.057 inches minimum and 6.087 inches maximum
Head Style: dished hexagon
Head Height: 0.375 inches minimum and 0.390 inches maximum
Width Between Flats: 1.052 inches minimum and 1.064 inches maximum
Shank Unthreaded Hole Diameter: 0.141 inches minimum and 0.151 inches maximum first hole
Concentric Hole Diameter: 0.406 inches minimum and 0.421 inches maximum
Nominal Thread Diameter: 0.750 inches
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 160000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 5.944 inches nominal first hole
Material: steel comp e4340 or steel comp 4140 overall
Surface Treatment: cadmium and chromate grip
Surface Treatment: cadmium and chromate head
Surface Treatment: paint threads
Style Designator: concentric hole unthreaded
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
63-10292	Internally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-044-6556?

The FSCG of the NSN 5306-01-044-6556 is 5306

Does the NSN 5306-01-044-6556 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-044-6556 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 5306-01-044-6556 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-044-6556 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 5306-01-044-6556 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Mon, Jul 18, 1977