BACB30NM7K24

View detailed technical data, stock status, and sourcing information for: BACB30NM7K24
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-521-7866

Item Name Code

15903

Assigment Date

07/02/2004 (22 years ago)

A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.

right-hand thread direction, 3a thread class, dished hexagon head style, 2.179 inches minimum and 2.209 inches maximum fastener length, 0.694 inches nominal 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: 0.694 inches nominal
Fastener Length: 2.179 inches minimum and 2.209 inches maximum
Head Style: dished hexagon
Head Height: 0.219 inches minimum and 0.234 inches maximum
Width Between Flats: 0.679 inches minimum and 0.690 inches maximum
Grip Diameter: 0.4360 inches minimum and 0.4370 inches maximum
End Item Identification: boeing b757 aircraft
Nominal Thread Diameter: 0.437 inches
Grip Length: 1.490 inches minimum and 1.510 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 160000 pounds per square inch
Color: black overall
Material: titanium alloy uns r56400 overall
Material Document And Classification: ams4928 assn std single material response or ams4967 assn std single material response overall
Surface Treatment: aluminum 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
BACB30NM7K24	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-521-7866?

The FSCG of the NSN 5306-01-521-7866 is 5306

Does the NSN 5306-01-521-7866 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5306-01-521-7866 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 5306-01-521-7866 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-521-7866 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 5306-01-521-7866 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Fri, Jul 2, 2004