5306-01-376-5279

Find complete technical information, availability, and procurement data for: 5306-01-376-5279
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-376-5279

Item Name Code

15903

Assigment Date

06/05/1993 (33 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.

2.727 inches minimum and 2.759 inches maximum fastener length, right-hand thread direction, spline extended washer head style, 1.118 inches nominal thread length, 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: 1.118 inches nominal
Fastener Length: 2.727 inches minimum and 2.759 inches maximum
Head Style: spline extended washer
Head Height: 0.701 inches minimum and 0.721 inches maximum
Extended Washer Diameter: 1.220 inches minimum and 1.230 inches maximum
Extended Washer Thickness: 0.168 inches minimum and 0.188 inches maximum
Grip Diameter: 0.7480 inches minimum and 0.7490 inches maximum
Head Minor Diameter: 0.798 inches minimum and 0.813 inches maximum
Nominal Thread Diameter: 0.750 inches
Grip Length: 1.615 inches minimum and 1.635 inches maximum
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Surface Finish: 32.0 microinches bearing surface of head32.0 microinches grip
Material: steel comp 4340 overall
Material Document And Classification: mil-s-8844 cl1 mil spec single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: ams2401 assn std 1st treatment response or qq-p-416 ty 2 fed spec 2nd 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
SS5211-12-26	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-376-5279?

The FSCG of the NSN 5306-01-376-5279 is 5306

Does the NSN 5306-01-376-5279 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-376-5279 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 5306-01-376-5279 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-376-5279 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 5306-01-376-5279 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Sat, Jun 5, 1993