MB154-6D19

View detailed technical data, stock status, and sourcing information for: MB154-6D19
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-170-8481

Item Name Code

27851

Assigment Date

01/30/1984 (42 years ago)

An externally threaded fastener whose unthreaded portion is of a specified 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. 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. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

3a thread class, spline drive shear head head style, right-hand thread direction, 0.371 inches minimum and 0.411 inches maximum thread length, 1.569 inches minimum and 1.589 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: 0.371 inches minimum and 0.411 inches maximum
Fastener Length: 1.569 inches minimum and 1.589 inches maximum
Head Style: spline drive shear head
Head Height: 0.200 inches minimum and 0.220 inches maximum
Width Between Flats: 0.578 inches minimum and 0.585 inches maximum
Grip Diameter: 0.3740 inches minimum and 0.3745 inches maximum
Shank Unthreaded Hole Diameter: 0.106 inches minimum and 0.111 inches maximum first hole
Nominal Thread Diameter: 0.375 inches
Grip Length: 1.178 inches minimum and 1.198 inches maximum
Thread Quantity Per Inch: 24
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.451 inches minimum and 1.481 inches maximum first hole
Material: steel comp xm-13 overall
Material Document And Classification: ams5629 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec 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
10116081	Close Tolerance Bolt
11823-6D19	Close Tolerance Bolt
122895-6D19	Close Tolerance Bolt
AIC687-6D19	Close Tolerance Bolt
GS1015-6D19	Close Tolerance Bolt
MB154-6D19	Close Tolerance Bolt
PBF1265-6D19	Close Tolerance Bolt
S406-6D19	Close Tolerance Bolt
ST3M744-6D19	Close Tolerance Bolt
VCG0001-6D19	Close Tolerance Bolt
VS3174-6D19	Close Tolerance Bolt
WC744-6D19	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-170-8481?

The FSCG of the NSN 5306-01-170-8481 is 5306

Does the NSN 5306-01-170-8481 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-170-8481 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 5306-01-170-8481 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-170-8481 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 5306-01-170-8481 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Mon, Jan 30, 1984