MS21250-05050

View detailed technical data, stock status, and sourcing information for: MS21250-05050
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-881-0672

Item Name Code

15903

Assigment Date

01/01/1960 (66 years ago)

3.724 inches nominal fastener length, 3a thread class, 0.579 inches minimum thread length, right-hand thread direction, double hexagon w/hole head style

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: 0.579 inches minimum
Fastener Length: 3.724 inches nominal
Head Style: double hexagon w/hole
Head Height: 0.348 inches nominal
Width Between Flats: 0.367 inches minimum and 0.376 inches maximum
Extended Washer Diameter: 0.521 inches minimum and 0.531 inches maximum
Extended Washer Thickness: 0.082 inches nominal
Grip Diameter: 0.3110 inches minimum and 0.3120 inches maximum
End Item Identification: aircraft, galaxy c-5
Nominal Thread Diameter: 0.312 inches
Grip Length: 3.125 inches nominal
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Material: steel comp 8740 or steel comp e4340 or steel comp 4340 or steel comp 6150 or steel comp 4140 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty2 cl 3 fed spec single treatment response overall
Thread Series Designator: unf

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
MS21250-050	Shear Bolt
MS21250-05050	Shear Bolt
VFK100G-05050	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-881-0672?

The FSCG of the NSN 5306-00-881-0672 is 5306

Does the NSN 5306-00-881-0672 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-881-0672 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 5306-00-881-0672 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-881-0672 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 5306-00-881-0672 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960