This press studs is New Old Stock from 70s. The type is Large Ring Type which the diameter of the cap is 600/1000"(15.24mm). US Military started to use this type of press studs from 40s and are still using now without any model changing. The press studs with "DOT" marking has been one of the major press studs since 40s. It comes 8 caps, sockets, posts and studs in set.
Good for replacement on your collections!!

Mil. Spec. Press Studs:
• Cap diameter: 600/1000"(15.24)mm
• Material: Brass
• Finish: Matte Black
• Manufacturer: TRW Faster Division, MA USA
• Packed:8 sets

Instruction for attaching:
Please refer the Instruction pages for the attaching.
• Instruction by Hand-Press Tool:
• Instruction by Attaching Stick:

Various Purposes for Replacement on:
• A-2, B-3, B-6, B-15, B-15A, B-15D, MA-1, L-2B, N-2B, N-3B......
tip) Some types of above are needed to be painted on the caps in the body color.