BM17020-10-21

View detailed technical data, stock status, and sourcing information for: BM17020-10-21
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-043-5725

Item Name Code

15903

Assigment Date

06/26/1977 (49 years ago)

0.607 inches minimum and 0.674 inches maximum thread length, 3a thread class, 0.340 inches minimum and 0.360 inches maximum head height, right-hand thread direction, double hexagon 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: 0.607 inches minimum and 0.674 inches maximum
Head Style: double hexagon
Head Height: 0.340 inches minimum and 0.360 inches maximum
Width Between Flats: 0.928 inches minimum and 0.940 inches maximum
Shank Unthreaded Hole Diameter: 0.136 inches minimum and 0.146 inches maximum first hole
Nominal Thread Diameter: 0.625 inches
Grip Length: 1.302 inches minimum and 1.322 inches maximum
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 220000 pounds per square inch
Hardness Rating: 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.825 inches nominal first hole
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp h11 overall
Surface Treatment: cadmium overall
Thread Series Designator: unjf
Specification/Standard Data: 26512-gb511b 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
AIC516B10D21	Shear Bolt
BM17020-10-21	Shear Bolt
EWSB22D10-21	Shear Bolt
GB511B10D21	Shear Bolt
H401-10D21	Shear Bolt
VAL22034-10FS21	Shear Bolt
VAL22034-10GS21	Shear Bolt
VS3071-10F21D	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-043-5725?

The FSCG of the NSN 5306-01-043-5725 is 5306

Does the NSN 5306-01-043-5725 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-043-5725 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 5306-01-043-5725 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-043-5725 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 5306-01-043-5725 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, Jun 26, 1977