120978-5-D19N

View detailed technical data, stock status, and sourcing information for: 120978-5-D19N
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-336-6316

Item Name Code

27851

Assigment Date

03/31/1991 (35 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.

spline drive shear head head style, right-hand thread direction, 1.611 inches minimum and 1.641 inches maximum fastener length, 0.438 inches nominal thread length, 3a thread class

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: 0.438 inches nominal
Fastener Length: 1.611 inches minimum and 1.641 inches maximum
Head Style: spline drive shear head
Head Height: 0.187 inches nominal
Grip Diameter: 0.311 inches minimum and 0.312 inches maximum
Head Minor Diameter: 0.605 inches nominal
End Item Identification: pacer dawn
Nominal Thread Diameter: 0.3130 inches
Grip Length: 1.178 inches minimum and 1.198 inches maximum
Thread Quantity Per Inch: 24
Special Features: dry film lube on bearing surface head and grip area only:hole drilled in shank 0.076 in. dia x 0.311/0.312 in. nom deep
Material: steel comp h11 overall
Material Document And Classification: ams-6487 assn std single material response overall
Surface Treatment: cadmium threads
Surface Treatment Document And Classification: nas 672 national spec single treatment response threads
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
120978-5-D19N	Close Tolerance Bolt
5306-002-5DN19	Close Tolerance Bolt
AIC596-5DN19	Close Tolerance Bolt
H411-5DN19	Close Tolerance Bolt
PBF7521-5DN19	Close Tolerance Bolt
VCG0030-5DN19	Close Tolerance Bolt
VS3133-5DN19	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-336-6316?

The FSCG of the NSN 5306-01-336-6316 is 5306

Does the NSN 5306-01-336-6316 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-336-6316 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 5306-01-336-6316 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-336-6316 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 5306-01-336-6316 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sun, Mar 31, 1991