4.5.5 Certification. Unless otherwise specified, the contractor
shall be responsible for testing necessary to accomplish certification.
For each inspection lot of launchers, the contractor shall provide the
Governmen t representative with Certification of compliance with applicable
drawings and specifications.
4.5.6 Inspection equipment. Unless otherwise specified in procure-
ment documents (see 6.1), responsibilities for acquisition maintenance,
and disposition of measuring and testing equipment prescribed on the
Inspection Equipment List IEL8448300, and for all other inspection equip-
ment required to perform inspection prescribed by applicable specifications,
shall be in accordance with MIL-I-45607.
4.6 Reliability demonstration. When specified in the contract (see
6.1) six launchers randomly selected shall be tested for the reliability
demonstration requirements specified in 3.5 using test plant XXIV of MIL-
STD-781. Launchers selected shall be mounted on a rifle, 5.56mm, M16 or
M16A1 and subjected to the demonstration methods specified in 4.7.8. If
test failure occurs, a retest for reliability in accordance with 184.108.40.206
thru 220.127.116.11 shall be conducted utilizing launchers on which all corrective
actions have been accomplished as specified in 18.104.22.168.
4.7 Test methods.
4.7.1 Barrel assembly group.
22.214.171.124 Pump actuation test. Launchers shall be tested for pump
actuation using Government approved inspection equipment. With the
launcher in vertical position, the firing mechanism in the fired posi-
tion, the barrel latch shall be depressed and a continuous force applied
to the barrel assembly to move it to its forward most position and return
it to the locked position using a continuous applied force. This
procedure shall be performed with the weapon unloaded, and repeated with
the weapon loaded.
126.96.36.199 Barrel stop test. With the barrel assembly opened to the
full open position and held in a vertical position with the muzzle upward,
a force shall be applied downward on the muzzle end of the barrel assem-
bly to overcome the retention characteristics of the barrel stop. The
force required to release the barrel assembly from this position shall be
masured and shall conform within the limits specified.
188.8.131.52 Barrel latch test. With the barrel assembly locked in
the battery position, a force shall be applied to the barrel latch
surface to cause release of the barrel assembly from the battery posi-
tion. This force shall be measured and shall conform within the limits