Part Number: MS20426AD4-5-5

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CONDITION:
NS
NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE80205
MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M96906
FASTENER LENGTH0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM
HEAD STYLEFLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER)
SHANK DIAMETER0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM
SHANK STYLESTRAIGHT W/RADIUS CHAMFERED TIP
HEAD MAJOR DIAMETER0.221 INCHES MINIMUM AND 0.229 INCHES MAXIMUM
SHEAR STRENGTH26000 SINGLE POUNDS PER SQUARE INCH
COUNTERSINK ANGLE99.5 DEGREES MINIMUM AND 100.5 DEGREES MAXIMUM
HEAT TREATMENTT-4 SOLUTION HEAT TREATED OVERALL
MATERIALALUMINUM ALLOY 2117 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL OR OXIDE FILM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OVERALL OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
TIP RADIUS0.049 INCHES NOMINAL
A headed fastening device having a smooth solid shank designed to have the shank end upset after insertion.