and parts of a designated model of any previously manufactured equipment, supplied or
designated by the procuring activity.
Interference Control - The generation of radio interference by the equip-
ment and the vulnerability of the equipment to radio interference shall be controlled within
the limits of Specification MIL-I-6181.
Maintenance Provisions and Field Testing - Provisions for maintenance
shall be as specified in Specification MIL-E-5400. Specific test points and test facilities
shall be provided to the greatest extent practicable for ease of field testing and maintenance.
Nomenclature and Nameplates - Nomenclature assignment and nameplate
approval for equipment identification shall be in accordance with Specification MIL-N-18307.
Standard Conditions - The following conditions shall be used to establish
normal performance characteristics under standard conditions and for making laboratory
Roomambient(25 + 5°C)
Room ambient up to 90%
Input power voltage
115 + 1. Ovac and/or 27.5+
Service Conditions - The equipment shall operate satisfactorily under
any of the environmental service conditions or reasonable combination of these conditions
as specified in Specification MIL-E-5400 for class II equipment, except as modified herein:
Vibration - The equipment shall operate satisfactorily when subjected to
the vibration requirements of curve I of Specification MIL-E-5400.
Altitude - The unit shall operate satisfactorily when subjected to the
altitude requirements of Specification MIL-E-5400 with the exception that the operational
altitude be limited to SO, 000 feet.
Warm-Up Time - The equipment shall require no warm-up time.
Primary Input Power Requirements - The unit shall operate with the
fallowing d-c input power:
(1) DC Power 28V, Category "B", 0.5 amp as specified in