8-9-20

View detailed technical data, stock status, and sourcing information for: 8-9-20
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-797-9320

Item Name Code

16014

Assigment Date

01/01/1963 (63 years ago)

left-hand thread direction, flat chamfer head style, 1.191 inches minimum and 1.221 inches maximum thread length, 2.810 inches minimum and 2.841 inches maximum fastener 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: left-hand
Thread Length: 1.191 inches minimum and 1.221 inches maximum
Fastener Length: 2.810 inches minimum and 2.841 inches maximum
Head Style: flat chamfer
Head Diameter: 1.310 inches minimum and 1.370 inches maximum
Head Height: 0.310 inches minimum and 0.341 inches maximum
Shoulder Diameter: 0.974 inches minimum and 0.975 inches maximum first shoulder
Shoulder Length: 1.160 inches minimum and 1.220 inches maximum first shoulder
Rib Major Diameter: 0.998 inches minimum and 1.008 inches maximum
Rib Length: 0.560 inches minimum and 0.622 inches maximum
Distance From Largest Diameter Of Bearing Surface Of Head To Ribs: 0.349 inches minimum and 0.411 inches maximum
Rib Minor Diameter: 0.946 inches nominal
Rib Quantity: 36
Nominal Thread Diameter: 0.750 inches
Thread Quantity Per Inch: 16
Rib Included Angle: 90.0 degrees nominal
Shoulder Shape: round first shoulder
Material: steel comp 3130 or steel comp 3140 overall
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec 1st treatment response or qq-z-325,ty 2,cl 2 fed spec 2nd treatment response overall
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-206-1559	No Name Available	06/10/1967
5307-00-612-7676	No Name Available	01/01/1963
5305-00-740-9554	No Name Available	01/01/1963

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
20X405	Ribbed Shoulder Bolt
20X405Z	Ribbed Shoulder Bolt
5306007979320	Ribbed Shoulder Bolt
7409554	Ribbed Shoulder Bolt
7979320	Ribbed Shoulder Bolt
8-9-20	Ribbed Shoulder Bolt
811E604	Ribbed Shoulder Bolt
98726R1	Ribbed Shoulder Bolt
KC5404	Ribbed Shoulder Bolt
MS51946-5	Ribbed Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-797-9320?

The FSCG of the NSN 5306-00-797-9320 is 5306

Does the NSN 5306-00-797-9320 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-797-9320 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 5306-00-797-9320 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-797-9320 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 5306-00-797-9320 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963