5306-01-049-0630

Find complete technical information, availability, and procurement data for: 5306-01-049-0630
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-049-0630

Item Name Code

15903

Assigment Date

10/10/1977 (48 years ago)

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

0.594 inches minimum and 0.644 inches maximum thread length, 3a thread class, 4.729 inches minimum and 4.759 inches maximum fastener length, double hexagon w/hole head style, right-hand thread direction

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: 0.594 inches minimum and 0.644 inches maximum
Fastener Length: 4.729 inches minimum and 4.759 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.378 inches minimum and 0.398 inches maximum
Width Between Flats: 0.430 inches minimum and 0.439 inches maximum
Extended Washer Diameter: 0.639 inches minimum and 0.649 inches maximum
Extended Washer Thickness: 0.081 inches minimum and 0.101 inches maximum
Grip Diameter: 0.3735 inches minimum and 0.3745 inches maximum
Nominal Thread Diameter: 0.375 inches
Grip Length: 4.115 inches minimum and 4.135 inches maximum
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
Material: steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 6150 or steel comp 8735 overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: nas672 assn std single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas626 professional/industrial association standard

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
NAS626-66	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-049-0630?

The FSCG of the NSN 5306-01-049-0630 is 5306

Does the NSN 5306-01-049-0630 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-049-0630 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 5306-01-049-0630 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-049-0630 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 5306-01-049-0630 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Mon, Oct 10, 1977