5306-01-382-7478

Find complete technical information, availability, and procurement data for: 5306-01-382-7478
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-382-7478

Item Name Code

15903

Assigment Date

11/09/1993 (32 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, spline extended washer head style, 3a thread class, 0.830 inches minimum and 0.860 inches maximum fastener length, 0.435 inches nominal thread 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: 0.435 inches nominal
Fastener Length: 0.830 inches minimum and 0.860 inches maximum
Head Style: spline extended washer
Head Height: 0.240 inches minimum and 0.260 inches maximum
Extended Washer Diameter: 0.460 inches minimum and 0.470 inches maximum
Extended Washer Thickness: 0.026 inches minimum and 0.046 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Head Minor Diameter: 0.236 inches minimum and 0.280 inches maximum
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.365 inches minimum and 0.385 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 180000 pounds per square inch
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 6150 or steel comp 8740 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416, type 2, class 2 fed spec all treatment responses 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
MS21134-04006	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-382-7478?

The FSCG of the NSN 5306-01-382-7478 is 5306

Does the NSN 5306-01-382-7478 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-382-7478 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 5306-01-382-7478 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-382-7478 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 5306-01-382-7478 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Tue, Nov 9, 1993