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|  MIL-V-62475(AT)
3.3.2.1 Battery specific gravity. All four batteries shall show no presence of battery acid
around the battery case or on top of batteries. The electrolyte level shall cover the plates and be
just below the level indicator. The specific gravity level of each cell shall be at least 1.250 at
80 degrees Fahrenheit (F) [26.7 degrees Celsius (C)] (see 4.6.1).
3.3.3 Alternator. With the engine running at 2165 + l00 revolutions per minute (rpm), the
voltage regulator rheostat shall be adjusted to assure that the FISTV vehicle alternator will
generate 28 + 0.5 V dc and 200 + 5 amperes (A) (see 4.6.1).
3.3.4 Electrical connectors. Electrical connectors shall be in accordance with
MIL-STD-454, requirement 10. The soldering of connectors shall be in accordance with
MIL-STD-454, requirement 5. When brazing is used, it shall be in accordance with MIL-B-7883
(see 4.6.1).
3.3.5 Wiring harness. Wiring harnesses and cables shall be in accordance with
MIL-STD-454, requirement 9 (see 4.6.1).
3.3.6 Nitrogen.
3.3.6.1 Image transfer assembly (ITA). The pressurized sections of the ITA shall be initially
purged and charged with nitrogen, conforming to BB-N-411, type I, class 1, or grade A or B
(see 4.6.1).
3.3.6.2 Accumulator precharge. The accumulator shall be pressurized to the precharge using
nitrogen gas specified by MIL-P-27401, type I, grades A, B or C or BB-N-411, type I, grades A
or B.
3.4 Physical characteristics.
3.4.1 Weight. The FISW (M98l) vehicle weight, when combat loaded in accordance with
applicable drawings, shall be approximately 26 900 pounds (lbs) [12 200 kilograms (kg)]
(see 4.6.3.1).
3.4.2 Basic issue items (BII). The FISTV vehicle shall be capable of storing all BII and
Government Furnished Equipment (GFE). Items shall fit properly and shall not interfere with
the operation of the vehicle and components in any manner (see 4.6.3.2).
3.4.3 Component removal. The removal of all FISTV vehicle components specified for
dismount operation (see table I) to a distance of 50 + 5 meters (m) [165 + 15 feet (ft)] from the
vehicle, shall require not more than five minutes with a four-man crew. Remounting of the same
equipment with a four-man crew shall require not more than ten minutes, including boresight
collimation time (see 4.6.3.3).
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