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|  MIL-M-294l6 (MC)
3.3.11 Interchangeability. Fuel tank modules of the same
classification, furnished under any specific contract, shall be
physically and mechanically identical. They shall meet the
requirements specified in ISO 668, 1161, 1496/1, and 1496/111.
3.4 Reliability. The fuel tank module shall have a 0.98 (98
percent) probability of completing a 12-hour mission.
3.5 Maintainability. The mean time to repair (MTTR) shall not
exceed 1 hour at the organizational level and 2 hours at the direct
support level.
3.6 Performance characteristics. The fuel tank module shall
meet the pressure and leakage requirements of 49CFR178.253-5, when
manifolded with appropriate hose and fittings.
3.7
Environmental
characteristics.
The fuel tank module shall with-
3.7.1 Temperature and humidity.
stand, without leakage, humidity resistance, low temperature (-25F)
when tested as specified in 4.5.13.
and high temperature
3.7.2 Salt fog. The fuel tank module shall withstand, without
cracking, cracked welds, corrosion and peeling of paint, salt fog
when tested as specified in 4.5.13.4.
3.7.3 Vibration. Fuel tank modules, when full, must be capable
of withstanding a I-hour vibration test without breakage, permanent
deformation or leakage (see 4.5.13.5).
3.7.4 Drop test. Fuel tank modules, when full, must be capable
of withstanding a 2-foot free drop on a flat, unyielding surface
without breakage, permanent deformation, or leakage (see 4.5.13.6) .
3.8 Painting. The fuel tank module shall be painted as speci-
fied on Drawing No. 845009A0000 and MIL-E-52798. Color shall be
as specified in 6.2.
3.9
Marking/serialization.
3.9.1 Fuel tank module. The fuel tank module shall be marked
and serialized as specified on Drawing No. 845009A0000.
3.9.2 Parts and components. Parts and components shall be
marked in accordance with MIL-STD-13C.
3.9.3 Identification plate. The fuel tank module identification
plate shall be in accordance with Drawing No. 845009A0000.
3.9.4 Instruction plate. The fuel tank module instruction plate
shall be in accordance with Drawing No. 845009A0000.
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