MS9149-09

View detailed technical data, stock status, and sourcing information for: MS9149-09
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-227-1450

Item Name Code

01847

Assigment Date

02/28/1986 (40 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

3a thread class, 0.845 inches minimum and 0.948 inches maximum thread length, right-hand thread direction, double hexagon w/hole head style, 0.928 inches minimum and 0.948 inches maximum fastener 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: 0.845 inches minimum and 0.948 inches maximum
Fastener Length: 0.928 inches minimum and 0.948 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.412 inches minimum and 0.432 inches maximum
Width Between Flats: 0.430 inches minimum and 0.439 inches maximum
Extended Washer Diameter: 0.552 inches minimum and 0.572 inches maximum
Extended Washer Thickness: 0.090 inches minimum and 0.100 inches maximum
Nominal Thread Diameter: 0.375 inches
Features Provided: finished head
Thread Quantity Per Inch: 24
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 threads
Surface Finish: 63.0 microinches bearing surface of head
Surface Finish: 63.0 microinches grip
Material: steel comp 8740 overall
Material Document And Classification: ams6322 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: ams2400 assn std single treatment response overall
Thread Series Designator: unf

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
MS9149-09	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-227-1450?

The FSCG of the NSN 5306-01-227-1450 is 5306

Does the NSN 5306-01-227-1450 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-227-1450 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 5306-01-227-1450 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-227-1450 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 5306-01-227-1450 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Fri, Feb 28, 1986