GB51H-6-8

View detailed technical data, stock status, and sourcing information for: GB51H-6-8
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-014-7479

Item Name Code

15903

Assigment Date

01/05/1976 (50 years ago)

double hexagon w/hole head style, right-hand thread direction, 1.173 inches minimum and 1.203 inches maximum fastener length, 0.663 inches minimum and 0.713 inches maximum 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: 0.663 inches minimum and 0.713 inches maximum
Fastener Length: 1.173 inches minimum and 1.203 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.405 inches nominal
Width Between Flats: 0.492 inches minimum and 0.502 inches maximum
Extended Washer Diameter: 0.715 inches minimum and 0.725 inches maximum
Extended Washer Thickness: 0.075 inches nominal
Grip Diameter: 0.3735 inches minimum and 0.3745 inches maximum
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.490 inches minimum and 0.510 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 220000 pounds per square inch
Hardness Rating: 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Material: steel comp h11 overall
Material Document And Classification: ams 6485 assn std single material response or 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
EWB22-6-8	Shear Bolt
GB511H-6-8	Shear Bolt
GB51H-6-8	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-014-7479?

The FSCG of the NSN 5306-01-014-7479 is 5306

Does the NSN 5306-01-014-7479 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-014-7479 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 5306-01-014-7479 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-014-7479 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 5306-01-014-7479 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Mon, Jan 5, 1976