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3M33-5-12A

View detailed technical data, stock status, and sourcing information for: 3M33-5-12A

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3M33-5-12A
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-059-1207
Item Name Code
15903
Assigment Date
01/01/1961 (65 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.

3a thread class, 0.531 inches nominal thread length, hexagon head style, 1.281 inches nominal fastener length, right-hand thread direction

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
0.531 inches nominal
Fastener Length
1.281 inches nominal
Head Style
hexagon
Head Height
0.188 inches nominal
Width Between Flats
0.500 inches nominal
Grip Diameter
0.3112 inches minimum and 0.3117 inches maximum
Single Shear Strength
5985 pounds per square inch
Nominal Thread Diameter
0.312 inches
Grip Length
0.750 inches nominal
Thread Quantity Per Inch
24
Material
steel corrosion resisting 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
3M33-5-12A Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-059-1207?
The FSCG of the NSN 5306-00-059-1207 is 5306
Does the NSN 5306-00-059-1207 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-059-1207 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 5306-00-059-1207 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-059-1207 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 5306-00-059-1207 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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