3M1043-5-18-30

View detailed technical data, stock status, and sourcing information for: 3M1043-5-18-30
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-338-8148

Item Name Code

15903

Assigment Date

05/12/1991 (35 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, 0.531 inches nominal thread length, 3a thread class, right-hand thread direction, 1.641 inches minimum and 1.671 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: 0.531 inches nominal
Fastener Length: 1.641 inches minimum and 1.671 inches maximum
Head Style: spline extended washer
Head Height: 0.302 inches minimum and 0.322 inches maximum
Extended Washer Diameter: 0.575 inches minimum and 0.585 inches maximum
Extended Washer Thickness: 0.035 inches minimum and 0.055 inches maximum
Grip Diameter: 0.3115 inches minimum and 0.3120 inches maximum
Head Minor Diameter: 0.383 inches minimum and 0.389 inches maximum
Nominal Thread Diameter: 0.312 inches
Grip Length: 1.115 inches minimum and 1.135 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 220000 pounds per square inch
Special Features: threaded hole in top of head 0.138-32 unjc-3b. injection port 0.120 in. lg; 0.060 in. wide in unthd shank; distance from head to beginning of injection port 0.300 in. lg.
Material: steel comp xm-13 overall
Material Document And Classification: ams 5629 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
11841-5-18-30	Shear Bolt
3M1043-5-18-30	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-338-8148?

The FSCG of the NSN 5306-01-338-8148 is 5306

Does the NSN 5306-01-338-8148 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-338-8148 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 5306-01-338-8148 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-338-8148 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 5306-01-338-8148 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sun, May 12, 1991