120978L7-11

View detailed technical data, stock status, and sourcing information for: 120978L7-11
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-054-3425

Item Name Code

15903

Assigment Date

01/18/1978 (48 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, spline drive shear head head style, right-hand thread direction, 0.683 inches nominal thread length, 1.361 inches minimum and 1.381 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: 0.683 inches nominal
Fastener Length: 1.361 inches minimum and 1.381 inches maximum
Head Style: spline drive shear head
Head Height: 0.257 inches nominal
Grip Diameter: 0.4358 inches minimum and 0.4367 inches maximum
Single Shear Strength: 132000 pounds per square inch
Head Minor Diameter: 0.828 inches nominal
Nominal Thread Diameter: 0.438 inches
Grip Length: 0.678 inches minimum and 0.698 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 220000 pounds per square inch
Material: steel overall
Material Document And Classification: ams 6487 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: nas 672 assn std 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
120978L7-11	Shear Bolt
5306PL1497040	Shear Bolt
5306PL1695520	Shear Bolt
AIC596L7-11	Shear Bolt
C7521L7-11	Shear Bolt
PBF7521L7-11	Shear Bolt
VS3133L7-11	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-054-3425?

The FSCG of the NSN 5306-01-054-3425 is 5306

Does the NSN 5306-01-054-3425 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-054-3425 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 5306-01-054-3425 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-054-3425 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 5306-01-054-3425 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Wed, Jan 18, 1978