5306-01-303-4052

Find complete technical information, availability, and procurement data for: 5306-01-303-4052
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-303-4052

Item Name Code

15903

Assigment Date

06/30/1989 (37 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.

double hexagon extended washer head style, 0.762 inches nominal thread length, 3a thread class, right-hand thread direction, 1.137 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: 0.762 inches nominal
Fastener Length: 1.137 inches nominal
Head Style: double hexagon extended washer
Head Height: 0.300 inches nominal
Width Between Flats: 0.312 inches nominal
Extended Washer Diameter: 0.428 inches minimum and 0.438 inches maximum
Extended Washer Thickness: 0.069 inches nominal
Grip Diameter: 0.249 inches nominal
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.375 inches nominal
Thread Quantity Per Inch: 28
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Material: steel comp 4140 or steel comp 4340 or steel comp 8740 or steel comp 6150 overall
Material Document And Classification: mil-s-5626 mil spec single material response or mil-s-5000 mil spec single material response or mil-s-6049 mil spec single material response or mil-s-8503 mil spec single material response overall
Surface Treatment: cadmium 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
623730	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-303-4052?

The FSCG of the NSN 5306-01-303-4052 is 5306

Does the NSN 5306-01-303-4052 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-303-4052 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 5306-01-303-4052 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-303-4052 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 5306-01-303-4052 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Fri, Jun 30, 1989