MB156L7H19

View detailed technical data, stock status, and sourcing information for: MB156L7H19
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-368-8043

Item Name Code

15903

Assigment Date

12/09/1992 (33 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.

spline extended washer head style, right-hand thread direction, 0.680 inches minimum and 0.730 inches maximum thread length, 3a thread class, 1.877 inches minimum and 1.907 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: 0.680 inches minimum and 0.730 inches maximum
Fastener Length: 1.877 inches minimum and 1.907 inches maximum
Head Style: spline extended washer
Head Height: 0.320 inches minimum and 0.340 inches maximum
Extended Washer Diameter: 0.807 inches minimum and 0.817 inches maximum
Extended Washer Thickness: 0.053 inches minimum and 0.073 inches maximum
Hole Diameter: 0.050 inches minimum and 0.060 inches maximum
Grip Diameter: 0.4365 inches minimum and 0.4370 inches maximum
Head Minor Diameter: 0.340 inches minimum and 0.485 inches maximum
Nominal Thread Diameter: 0.437 inches
Grip Length: 1.177 inches minimum and 1.197 inches maximum
Hole Quantity: 4
Hole Type: drilled
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 220000 pounds per square inch
Hole Configuration Style: spline
Material: steel comp xm-13 overall
Material Document And Classification: ams5629 fed spec 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
122897L7H19	Shear Bolt
AIC763L7H19	Shear Bolt
MB156L7H19	Shear Bolt
PBF 1267L7H19	Shear Bolt
S343L7H19	Shear Bolt
ST3M753L7H19	Shear Bolt
VFK600L7H19	Shear Bolt
VS3190L7H19	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-368-8043?

The FSCG of the NSN 5306-01-368-8043 is 5306

Does the NSN 5306-01-368-8043 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-368-8043 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 5306-01-368-8043 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-368-8043 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 5306-01-368-8043 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Wed, Dec 9, 1992