MIL-PRF-51193E, PERFORMANCE SPECIFICATION: FILTER, GAS, 283 L/M, M18A1 (24-NOV-1998) [SUPERSEDING MIL-DTL-51193D] [S/S BY MIL-PRF-5119F/G - CONTROLLED DISTRIBUTION]
MIL-PRF-51193E, PERFORMANCE SPECIFICATION: FILTER, GAS, 283 L/M, M18A1 (24-NOV-1998) [SUPERSEDING MIL-DTL-51193D] [S/S BY MIL-PRF-5119F/G - CONTROLLED DISTRIBUTION]., This specification covers a gas filter rated at 10 cubic feet per minute (cfm) for use in NBC filtration systems in military vehicles (see 6.1).