MS21250-09026

View detailed technical data, stock status, and sourcing information for: MS21250-09026
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-881-0229

Item Name Code

15903

Assigment Date

01/01/1960 (66 years ago)

0.852 inches minimum thread length, 2.497 inches nominal fastener length, right-hand thread direction, 3a thread class, 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: 0.852 inches minimum
Fastener Length: 2.497 inches nominal
Head Style: double hexagon w/hole
Head Height: 0.557 inches nominal
Width Between Flats: 0.616 inches minimum and 0.627 inches maximum
Extended Washer Diameter: 0.928 inches minimum and 0.938 inches maximum
Extended Washer Thickness: 0.133 inches nominal
Grip Diameter: 0.5605 inches minimum and 0.5615 inches maximum
Nominal Thread Diameter: 0.562 inches
Grip Length: 1.625 inches nominal
Thread Quantity Per Inch: 18
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 e4340 or steel comp 8740 or steel comp 6150 or steel comp 4140 overall
Material Document And Classification: mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-5626 mil spec 4th material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416 type 2 class 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
MS21250-09026	Shear Bolt
VFK100G-09026	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-881-0229?

The FSCG of the NSN 5306-00-881-0229 is 5306

Does the NSN 5306-00-881-0229 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-881-0229 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 5306-00-881-0229 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-881-0229 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 5306-00-881-0229 was assigned to the Federal Catalog?

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