Verified recordStandard · MS (Military Standards, CAGE 96906)Updated 2026-09-17
MS20426AD5-5.5A
The base code '20426AD5-5.5' specifies a solid rivet with a 100° countersunk precision head ('20426'), made from 2117-T4 aluminum alloy ('AD'), with a diameter of 5/32 inch ('5'), and an overall length of 11/32 inch ('5.5'). The suffix 'A' specifies a clear anodize finish per MIL-A-8625, Type II, Class 1. MS identifies a US aerospace/military hardware standard, specifically a Military Standard for rivets. Governed by the MS standard series, administered by Military Standards.
Part number dissection
MSMS identifies a US aerospace/military hardware standard, specifically a Military Standard for rivets.
20426AD5-5.5The base code '20426AD5-5.5' specifies a solid rivet with a 100° countersunk precision head ('20426'), made from 2117-T4 aluminum alloy ('AD'), with a diameter of 5/32 inch ('5'), and an overall length of 11/32 inch ('5.5').
AThe suffix 'A' specifies a clear anodize finish per MIL-A-8625, Type II, Class 1.
Specifications
Standard seriesMS
Specification ownerMilitary Standards · CAGE 96906
Base codeThe base code '20426AD5-5.5' specifies a solid rivet with a 100° countersunk precision head ('20426'), made from 2117-T4 aluminum alloy ('AD'), with a diameter of 5/32 inch ('5'), and an overall length of 11/32 inch ('5.5').
Finish / variantThe suffix 'A' specifies a clear anodize finish per MIL-A-8625, Type II, Class 1.
Acceptable alternates
MS20426A5-5.5different material (1100-F Aluminum, no finish code implies clear chemical film or no finish)
MS20426B5-5.5different material (5056-H32 Aluminum Alloy, no finish code implies clear chemical film or no finish)
MS20426D5-5.5different material (2017-T4 Aluminum Alloy, no finish code implies clear chemical film or no finish)
MS20426DD5-5.5different material (2024-T4 Aluminum Alloy, no finish code implies clear chemical film or no finish)
MS20426K5-5.5different material (2219-T81 Aluminum Alloy, no finish code implies clear chemical film or no finish)
MS20426T5-5.5different material (Titanium Columbium Alloy, no finish required)
MS20426AD5-5.5different finish (no suffix implies gold chemical film or clear chemical film)
MS20426AD5-5.5Fdifferent finish (clear chemical film per MIL-C-5541, Class 1A)
Confirm acceptability against your drawing before ordering.
Availability
SupplyVerified supply chain on file
Lead timeQuoted on request
TraceabilityFull documentation with every shipment
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BTEK Components MFG LLC · Largo, FloridaPart data compiled and verified by BTEK's sourcing engine.