MIL-H-55258B, MILITARY SPECIFICATION: HANDSET, H-189/GR (13-JUN-1968) [S/S BY MIL-H-49078, now MIL-PRF-49078]
MIL-H-55258B, MILITARY SPECIFICATION: HANDSET, H-189/GR (13-JUN-1968) [S/S BY MIL-H-49078, now MIL-PRF-49078]., This document covers one type of lightweight handset designed as H-189 ( ) /GR.