BACB30MT6-21

View detailed technical data, stock status, and sourcing information for: BACB30MT6-21
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-055-6918

Item Name Code

15903

Assigment Date

02/10/1978 (48 years ago)

A terminal designed to be mounted on a chassis or other partition, and having through connected wire mounting facilities. It may or may not be insulated. It is fabricated into a single item whose parts are not separable. For items whose parts are separable, see insulator, feedthru.

0.618 inches minimum and 0.668 inches maximum thread length, 3a thread class, double hexagon w/hole head style, 1.940 inches minimum and 1.970 inches maximum fastener length, right-hand thread direction

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: 0.618 inches minimum and 0.668 inches maximum
Fastener Length: 1.940 inches minimum and 1.970 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.378 inches minimum and 0.398 inches maximum
Width Between Flats: 0.430 inches minimum and 0.439 inches maximum
Extended Washer Diameter: 0.639 inches minimum and 0.649 inches maximum
Extended Washer Thickness: 0.081 inches minimum and 0.101 inches maximum
Grip Diameter: 0.3735 inches minimum and 0.3745 inches maximum
Nominal Thread Diameter: 0.375 inches
Grip Length: 1.302 inches minimum and 1.322 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 220000 pounds per square inch
Material: steel comp h11 overall
Surface Treatment: nickel and cadmium overall
Thread Series Designator: unjf
Specification/Standard Data: 81205-bacb30mt professional/industrial association standard

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
BACB30MT6-21	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-055-6918?

The FSCG of the NSN 5306-01-055-6918 is 5306

Does the NSN 5306-01-055-6918 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-055-6918 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 5306-01-055-6918 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-055-6918 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 5306-01-055-6918 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Fri, Feb 10, 1978