BACB30FD12-45X

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-282-7491

Item Name Code

04905

Assigment Date

07/21/1988 (38 years ago)

right-hand thread direction, 3.740 inches minimum and 3.820 inches maximum fastener length, double hexagon w/hole head style, 0.968 inches minimum and 1.018 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: 0.968 inches minimum and 1.018 inches maximum
Fastener Length: 3.740 inches minimum and 3.820 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.084 inches minimum and 0.104 inches maximum
Width Between Flats: 0.792 inches minimum and 0.812 inches maximum
Extended Washer Diameter: 1.220 inches minimum and 1.230 inches maximum
Extended Washer Thickness: 0.168 inches minimum and 0.188 inches maximum
Shoulder Diameter: 0.7636 inches minimum and 0.7646 inches maximum first shoulder
Shoulder Length: 2.802 inches minimum and 2.822 inches maximum first shoulder
Nominal Thread Diameter: 0.750 inches
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 180000 pounds per square inch
Shoulder Shape: round first shoulder
Material: steel comp e4340 and steel comp 8740 overall
Material Document And Classification: mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 1st material response overall
Surface Treatment: cadmium or chromate 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
BACB30FD12-45X	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-282-7491?

The FSCG of the NSN 5306-01-282-7491 is 5306

Does the NSN 5306-01-282-7491 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-282-7491 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 5306-01-282-7491 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-282-7491 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 5306-01-282-7491 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Jul 21, 1988