20-114-4B8A

View detailed technical data, stock status, and sourcing information for: 20-114-4B8A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-619-8307

Item Name Code

15903

Assigment Date

06/19/2013 (13 years ago)

A basically cylindrical item with radial or axial cylinder bores equidistant from each other and from the shaft axis. It is designed to house the pistons of a radial or axial pistons motor or pump.

0.531 inches nominal thread length, 1.301 inches nominal fastener length, hexagon head style, 3a thread class, 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: 1.301 inches nominal
Head Style: hexagon
Head Height: 0.140 inches minimum and 0.172 inches maximum
Width Between Flats: 0.428 inches minimum and 0.440 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
End Item Identification: gearbox assy,main d; gearbox assy, ma - nsn 1680016076871; gearbox assy,ai - nsn1680015238081; uh-1y huey helicopter
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.500 inches nominal
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Part Name Assigned By Controlling Agency: bolt, shear, hex head, extra long threads, undrilled
Special Features: material is alloy steel per nas4002
Color: black overall
Material: steel overall
Material Document And Classification: ams-h-6875 assn std single material response overall
Surface Treatment: oxide 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
20-114-4B8A	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-619-8307?

The FSCG of the NSN 5306-01-619-8307 is 5306

Does the NSN 5306-01-619-8307 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-619-8307 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 5306-01-619-8307 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-619-8307 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 5306-01-619-8307 was assigned to the Federal Catalog?

It was assigned 13 years ago, on Wed, Jun 19, 2013