5306-00-274-2759

Find complete technical information, availability, and procurement data for: 5306-00-274-2759
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-274-2759

Item Name Code

06666

Assigment Date

01/01/1963 (63 years ago)

2.750 inches nominal fastener length, right-hand thread direction, 1.220 inches minimum and 1.230 inches maximum head diameter, 3a thread class, 1.062 inches minimum thread 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: 1.062 inches minimum
Fastener Length: 2.750 inches nominal
Head Diameter: 1.220 inches minimum and 1.230 inches maximum
Head Height: 0.750 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.750 inches
Width Across Flats: 0.563 inches minimum and 0.566 inches maximum
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 34.0 rockwell c minimum and 40.0 rockwell c maximum overall
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2 cl 2 fed spec single 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Below is a list of NSNs that have been officially superseded by this NSN: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
5306-00-806-4793	No Name Available	09/17/1988

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
MS20012-27	Internal Wrenching Bolt
MS20012H27	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-274-2759?

The FSCG of the NSN 5306-00-274-2759 is 5306

Does the NSN 5306-00-274-2759 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-274-2759 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 5306-00-274-2759 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-274-2759 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 5306-00-274-2759 was assigned to the Federal Catalog?

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