TT-C 490 FED SPEC 1ST TREATMENT RESPONSE AND MIL DTL53084 MIL STD 2ND TREATMENT RESPONSE OR MIL DTL 53022 MIL STD 2ND TREATMENT RESPONSE OR MIL PRF 32348 MIL STD 2ND TREATMENT RESPONSE AND MIL DTL 53039 MIL STD 3RD TREATMENT RESPONSE OR MIL DTL 64159 MIL STD 3RD TREATMENT RESPONSE