Technical details

• Cherry Aerospace drawing CR2238 revision U identifies CR2238-6-12 as a bulbed CherryLOCK blind rivet with a 100-degree flush head.
• Diameter dash 6 lists head dimension A 0.353 in +/-0.004, shank D 0.201 in +0.003/-0.001, and hole limits 0.205 to 0.209 in.
• Grip dash 12 lists 0.688 to 0.750 in. The diameter dash 6 column gives L 0.970 in maximum and K 1.14 in maximum.
• The unlettered material row specifies a 5056 aluminum sleeve to QQ-A-430, an Inconel 600 stem to AMS 5665 and a Monel lock ring to QQ-N-281.
• The sleeve has chemical film to MIL-DTL-5541. Table II specifies no stem or lock ring finish.
• The unlettered drawing configuration uses NAS 523 identification code AAV. These are reference values from the manufacturer drawing.