MS21250-03008

View detailed technical data, stock status, and sourcing information for: MS21250-03008
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-028-0179

Item Name Code

15903

Assigment Date

09/23/1976 (49 years ago)

right-hand thread direction, 0.420 inches minimum and 0.460 inches maximum thread length, 0.930 inches minimum and 0.950 inches maximum fastener length, double hexagon w/hole head style, 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: 0.420 inches minimum and 0.460 inches maximum
Fastener Length: 0.930 inches minimum and 0.950 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.255 inches minimum and 0.275 inches maximum
Width Between Flats: 0.240 inches minimum and 0.260 inches maximum
Extended Washer Diameter: 0.340 inches minimum and 0.350 inches maximum
Extended Washer Thickness: 0.045 inches minimum and 0.065 inches maximum
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.490 inches minimum and 0.510 inches maximum
Thread Quantity Per Inch: 32
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 4140 or steel comp e4340 or steel comp 8740 or steel comp 6150 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty2 cl2 fed spec 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
932.35.60.003	Shear Bolt
9323560003	Shear Bolt
MS21250-03008	Shear Bolt
VFK100G-03008	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-028-0179?

The FSCG of the NSN 5306-01-028-0179 is 5306

Does the NSN 5306-01-028-0179 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-028-0179 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 5306-01-028-0179 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-028-0179 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 5306-01-028-0179 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Thu, Sep 23, 1976