BM5526-4-13

View detailed technical data, stock status, and sourcing information for: BM5526-4-13
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-910-7987

Item Name Code

15903

Assigment Date

06/29/1966 (60 years ago)

3a thread class, 0.506 inches minimum and 0.556 inches maximum thread length, right-hand thread direction, 1.328 inches minimum and 1.358 inches maximum fastener length, 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: 0.506 inches minimum and 0.556 inches maximum
Fastener Length: 1.328 inches minimum and 1.358 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.254 inches nominal
Width Between Flats: 0.304 inches minimum and 0.313 inches maximum
Extended Washer Diameter: 0.465 inches minimum and 0.475 inches maximum
Extended Washer Thickness: 0.042 inches nominal
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.802 inches minimum and 0.822 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 260000 pounds per square inch
Hardness Rating: 51.0 rockwell c minimum and 54.0 rockwell c maximum overall
Material: steel comp h11 overall
Material Document And Classification: ams 6485 assn std single material response or ams6487 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: mil-c-8837 ty 1 cl 2 mil spec 1st treatment response or mil-c-8837 ty 2 cl 2 mil spec 2nd 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
AIC260E4-13	Shear Bolt
BM5526-4-13	Shear Bolt
C305-4-13	Shear Bolt
EWB26-4-13	Shear Bolt
HE111-0034-0413	Shear Bolt
VS2005-4-13	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-910-7987?

The FSCG of the NSN 5306-00-910-7987 is 5306

Does the NSN 5306-00-910-7987 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-910-7987 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 5306-00-910-7987 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-910-7987 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 5306-00-910-7987 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Jun 29, 1966