DF22-2P-7.92DSA(53) DF22-2P-7.92DSA(53). DF22-2P-7.9DS(35) DF22-2RS DF22-2RS/P-7.92 DF22-2RS/P-7.92//50 DF22-2S- DF22-2S-7 DF22-2S-7.92 DF22-2S-7.92(28)