5306-00-050-1237

Find complete technical information, availability, and procurement data for: 5306-00-050-1237
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-050-1237

Item Name Code

01847

Assigment Date

01/01/1961 (65 years ago)

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

0.511 inches minimum thread length, 0.594 inches minimum and 0.625 inches maximum fastener length, hexagon head style, right-hand thread direction, 2a 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: 2a
Thread Direction: right-hand
Thread Length: 0.511 inches minimum
Fastener Length: 0.594 inches minimum and 0.625 inches maximum
Head Style: hexagon
Head Height: 0.195 inches minimum and 0.211 inches maximum
Width Between Flats: 0.489 inches minimum and 0.500 inches maximum
End Item Identification: mrap - m-atv ui
Nominal Thread Diameter: 0.312 inches
Features Provided: finished head
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Material Document And Classification: sae gr 8 assn std single material response overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astm b633 ty 2 sc 3 assn std single treatment response overall
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-208-8036	Machine Bolt	07/01/2025
5306-00-638-8370	No Name Available	06/04/2008

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
18KP711	Machine Bolt
19H1813	Machine Bolt
303836	Machine Bolt
5306000501237	Machine Bolt
AEB02F312625AW9A91	Machine Bolt
B1821BH031F063N	Machine Bolt
MS90727-31	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-050-1237?

The FSCG of the NSN 5306-00-050-1237 is 5306

Does the NSN 5306-00-050-1237 have a Schedule B code assigned?

Yes, the Schedule B code is 8486900000

Does NSN 5306-00-050-1237 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 5306-00-050-1237 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-050-1237 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 5306-00-050-1237 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961