MIL-C-50543 (MU)
satisfactorily pass, the check test for deterioration specified in
MIL-P-20444. This test shall be performed by the contractor on primers
selected by the Government inspector at the facility assembling the
primers into cartridge (See 6.4) Code No. 13001.
4.3.3.2 Holding fixture vent check, Code No. 14001.-The cartridge
case holding fixture used in the base plug insertion operation shall have
its air vents check hourly for any obstruction. If a vent is found to be
closed or clogged, the vent shall be cleared and the previous hour's pro-
duction shall be X-rayed 100 percent to ensure that the propellant charge
cups have not been damaged. Cartridge cases found to have damaged charge
cups shall be classed defective and removed from the lot.
-
4.3.3.3 Propellant weight of cartridge case, Code No. 15001.-The pro-
pellant weight shall be determined and then check weighed 100 percent.
The check-weighing shall be accomplished independently of the original
weighing or determination, using a different balance from that used to
make the original weighing and if performed manually, shall be performed
by another operator. Any charge which fails to comply with the require-
ment specified on Dwg 8844609 shall be classified defective and removed
from the lot.
4.3.3.4 Propellant weight of cartridge case, alternate method, Code
No. 16001.-At the start of production, three hundred eighty (380) con-
secutive samples per station, per machine shall be selected and weighed
100 percent. All samples shall comply with the applicable drawing require-
ment. If all samples comply with the drawing requirement, five (5)
samples, per station , Per every two (2) hours production shall be selected
and the average weight of the five (5) samples must meet the assessed
mean propellant weight within + 4 milligrams. If the average weight fails
the requirement, correction will be made and three hundred eighty (380)
consecutive samples weighed from that station. If all meet the require-
ment, the sampling every two (2) hours will resume.
4.3.3.5 X-ray examination of fuze assemblies prior to assembling to
ball and skirt assembly (See Para 3.6) Code No. 17001.-Each fuze assembly,
prior to assembling to ball and skirt assembly, shall be subjected to this
test. If any fuze assembly shows evidence of being improperly assembled,
having missing parts, being armed or partially armed, it shall be classed
defective and removed from the lot. The test shall be performed as specified
in 4.4.1, using equipment in accordance with 4.3.4.
11
For Parts Inquires submit RFQ to Parts Hangar, Inc.
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business