5306-01-263-9994

Find complete technical information, availability, and procurement data for: 5306-01-263-9994
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-263-9994

Item Name Code

15903

Assigment Date

09/23/1987 (38 years ago)

double hexagon extended washer head style, 1.579 inches minimum and 1.619 inches maximum thread length, 3a thread class, right-hand thread direction, 2.089 inches minimum and 2.109 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: 1.579 inches minimum and 1.619 inches maximum
Fastener Length: 2.089 inches minimum and 2.109 inches maximum
Head Style: double hexagon extended washer
Head Height: 0.256 inches minimum and 0.276 inches maximum
Width Between Flats: 0.363 inches minimum and 0.383 inches maximum
Extended Washer Diameter: 0.521 inches minimum and 0.531 inches maximum
Extended Washer Thickness: 0.072 inches minimum and 0.092 inches maximum
Hole Diameter: 0.050 inches minimum and 0.060 inches maximum
Grip Diameter: 0.311 inches minimum and 0.312 inches maximum
Nominal Thread Diameter: 0.312 inches
Grip Length: 1.490 inches minimum and 1.510 inches maximum
Hole Quantity: 4
Hole Type: drilled
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Hole Configuration Style: double hexagon flats
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Material: steel comp 4140 or steel comp 4340 or steel comp 8740 or steel comp 6150 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment response overall
Thread Series Designator: unjf

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
MS21250H05024	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-263-9994?

The FSCG of the NSN 5306-01-263-9994 is 5306

Does the NSN 5306-01-263-9994 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-263-9994 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 5306-01-263-9994 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-263-9994 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 5306-01-263-9994 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Wed, Sep 23, 1987