5306-01-313-9320

Find complete technical information, availability, and procurement data for: 5306-01-313-9320
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-313-9320

Item Name Code

06666

Assigment Date

01/20/1990 (36 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.

right-hand thread direction, 3.673 inches minimum and 3.703 inches maximum fastener length, 0.538 inches minimum and 0.588 inches maximum thread length, bevel-conical head style, 3a thread class

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: 0.538 inches minimum and 0.588 inches maximum
Fastener Length: 3.673 inches minimum and 3.703 inches maximum
Head Style: bevel-conical
Head Diameter: 0.521 inches minimum and 0.531 inches maximum
Head Height: 0.312 inches nominal
Hole Diameter: 0.055 inches minimum and 0.060 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.219 inches minimum and 0.221 inches maximum
Hole Quantity: 4
Hole Type: drilled
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 34.0 rockwell c minimum and 40.0 rockwell c maximum overall
Hole Configuration Style: round internal hexagon
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches threads
Surface Finish: 63.0 microinches grip
Material: steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2,cl 2 fed spec single treatment response 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
MS20005H50	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-313-9320?

The FSCG of the NSN 5306-01-313-9320 is 5306

Does the NSN 5306-01-313-9320 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-313-9320 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 5306-01-313-9320 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-313-9320 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 5306-01-313-9320 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Sat, Jan 20, 1990