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MS20426B5-20

Military Standard Solid Rivet

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Description

Fastener Length: 1-1/4"

Specifications

Countersink Angle 99.5 degrees minimum and 100.5 degrees maximum
Fastener Length 1.240 inches minimum and 1.260 inches maximum
Grip Length 1.006 nominal mils and 1.026 nominal centimeters
Head Major Diameter 0.282 inches minimum and 0.290 inches maximum
Head Style Flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer)
Material Aluminum
Material Specification Qq-a-430 fed spec single material response
Shank Diameter 0.155 inches minimum and 0.159 inches maximum
Shank Style Straight w/radius chamfered tip
Shear Strength 24000 single pounds per square inch
Surface Treatment Anodize or oxide film
Surface Treatment Specification Mil-a-8625 mil spec 1st treatment response or mil-c-5541 mil spec 2nd treatment response

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

Cross-reference

Similar parts

Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.

  • MS20426A5-20 MS 1-1/4 in · Flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) · Aluminum
  • MS20426D5-20 MS 1-1/4 in · Flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) · Aluminum

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Catalog data updated 2026-07-05. Report a data error