EWSB26-7-48

View detailed technical data, stock status, and sourcing information for: EWSB26-7-48
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-878-0330

Item Name Code

15903

Assigment Date

01/01/1960 (66 years ago)

3a thread class, double hexagon head style, 3.479 inches minimum and 3.526 inches maximum fastener length, right-hand thread direction, 0.469 inches minimum and 0.536 inches maximum thread length

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: 0.469 inches minimum and 0.536 inches maximum
Fastener Length: 3.479 inches minimum and 3.526 inches maximum
Head Style: double hexagon
Head Height: 0.247 inches minimum and 0.267 inches maximum
Width Between Flats: 0.678 inches minimum and 0.689 inches maximum
Grip Diameter: 0.4358 inches minimum and 0.4367 inches maximum
Shank Unthreaded Hole Diameter: 0.096 inches minimum and 0.116 inches maximum first hole
Single Shear Strength: 156000 pounds per square inch
Nominal Thread Diameter: 0.438 inches
Grip Length: 2.990 inches minimum and 3.010 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 260000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 2.775 inches minimum and 3.357 inches maximum first hole
Material: steel overall
Material Document And Classification: sps-m-107,fscm 56878 mfr ref single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: mil-c-8837,type 1,class 2 mil 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
EWSB26-7-48	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-878-0330?

The FSCG of the NSN 5306-00-878-0330 is 5306

Does the NSN 5306-00-878-0330 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-878-0330 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 5306-00-878-0330 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-878-0330 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 5306-00-878-0330 was assigned to the Federal Catalog?

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