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Accession Number:
AD0258576
Title:
SIGNAL DISTRESS MK 13 MOD 0
Descriptive Note:
Corporate Author:
OGDEN AIR MATERIEL AREA HILL AFB UTAH
Report Date:
1961-05-01
Pagination or Media Count:
1.0
Abstract:
Three lots of Mk 13 Mod 0 smoke and illumination signals were subjected to physical tests because of an emergency unsatisfactory report from a using command. A total of 127 signals were subjected to visual inspection, leak tests, 24-hour water soak tests, tension tests, and hand function tests. The solder on the pull disk was quantitatively analyzed for tin, lead, and bismuth. This investigation revealed that the spot welds and pull rings of all lots did not meet specification requirements. Some signal cases were not water-tight. An excessive amount of glue was used to hold the paper caps to the signal. It was recommended that a design change be made to require 2 spot welds on the metal caps in lieu of one. It was also recommended that additional tests be included for the pull ring, the pull disk, the spot welds, and the water-tightness of the signal case. A quality level of 0.34 would be used in these tests. Author
Distribution Statement:
APPROVED FOR PUBLIC RELEASE