MS9284-31

View detailed technical data, stock status, and sourcing information for: MS9284-31
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-107-4142

Item Name Code

01847

Assigment Date

02/05/1981 (45 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.

hexagon head style, 2.365 inches minimum and 2.385 inches maximum fastener length, right-hand thread direction, 0.740 inches minimum and 0.820 inches maximum 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: 0.740 inches minimum and 0.820 inches maximum
Fastener Length: 2.365 inches minimum and 2.385 inches maximum
Head Style: hexagon
Head Height: 0.156 inches nominal
Width Between Flats: 0.430 inches minimum and 0.439 inches maximum
Nominal Thread Diameter: 0.250 inches
Grip Length: 1.565 inches minimum and 1.625 inches maximum
Features Provided: finished head
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: steel comp 8740 overall
Material Document And Classification: ams6322 assn std single material response overall
Surface Treatment: oxide overall
Surface Treatment Document And Classification: ams2485 assn std 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
MS9284-31	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-107-4142?

The FSCG of the NSN 5306-01-107-4142 is 5306

Does the NSN 5306-01-107-4142 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-107-4142 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 5306-01-107-4142 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-107-4142 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 5306-01-107-4142 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Thu, Feb 5, 1981