BACB30MT8T59

View detailed technical data, stock status, and sourcing information for: BACB30MT8T59
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-340-9054

Item Name Code

15903

Assigment Date

06/23/1991 (35 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

double hexagon w/hole head style, 3a thread class, 4.485 inches minimum and 4.515 inches maximum fastener length, right-hand thread direction, 0.881 inches minimum and 0.931 inches maximum 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: 0.881 inches minimum and 0.931 inches maximum
Fastener Length: 4.485 inches minimum and 4.515 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.494 inches minimum and 0.514 inches maximum
Width Between Flats: 0.637 inches minimum and 0.651 inches maximum
Extended Washer Diameter: 0.818 inches minimum and 0.828 inches maximum
Extended Washer Thickness: 0.113 inches minimum and 0.133 inches maximum
Grip Diameter: 0.5605 inches minimum and 0.5615 inches maximum
Nominal Thread Diameter: 0.500 inches
Grip Length: 3.677 inches minimum and 3.697 inches maximum
Thread Quantity Per Inch: 20
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
Surface Treatment: cadmium 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
BACB30MT8T59	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-340-9054?

The FSCG of the NSN 5306-01-340-9054 is 5306

Does the NSN 5306-01-340-9054 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-340-9054 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 5306-01-340-9054 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-340-9054 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 5306-01-340-9054 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sun, Jun 23, 1991