MS20426B4-28A

View detailed technical data, stock status, and sourcing information for: MS20426B4-28A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5320 Rivets

National Stock Number

5320-01-276-1726

Item Name Code

00861

Assigment Date

04/05/1988 (38 years ago)

A headed fastening device having a smooth solid shank designed to have the shank end upset after insertion.

1.740 inches minimum and 1.760 inches maximum fastener length, straight w/radius chamfered tip shank style, 0.221 inches minimum and 0.229 inches maximum head major diameter, 0.124 inches minimum and 0.128 inches maximum shank diameter, flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Fastener Length: 1.740 inches minimum and 1.760 inches maximum
Head Style: flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer)
Shank Diameter: 0.124 inches minimum and 0.128 inches maximum
Shank Style: straight w/radius chamfered tip
Head Major Diameter: 0.221 inches minimum and 0.229 inches maximum
Shear Strength: 24000 single pounds per square inch
Countersink Angle: 99.5 degrees minimum and 101.5 degrees maximum
Heat Treatment: h-32 strain hardened overall
Material: aluminum alloy 5056 overall
Material Document And Classification: qq-a-430 fed spec single material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625,ty 2,cl 1 mil spec single treatment response overall

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
MS20426B4-28A	Solid Rivet

FAQs

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

What is the FSCG of the NSN 5320-01-276-1726?

The FSCG of the NSN 5320-01-276-1726 is 5320

Does the NSN 5320-01-276-1726 have a Schedule B code assigned?

Yes, the Schedule B code is 7616103000

Does NSN 5320-01-276-1726 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 5320-01-276-1726 contain precious materials?

Item does not contain precious metal.

Does NSN 5320-01-276-1726 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 5320-01-276-1726 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Tue, Apr 5, 1988