MIL-DTL-4710E
3.3.5 Gasket. A gasket of neoprene or other equivalent materials shall be provided on one case
body half assembly of each case. The gasket shall be flexible at -20 degrees F and shall not disintegrate or
separate from the case at -40 degrees F (see figure 3).
3.3.6 Protective treatment of materials. When materials used in the construction of the case set are
subject to deterioration when exposed to natural environmental conditions they shall be protected against
such deterioration in a manner that will in no way prevent compliance with the requirements of this
specification. The use of protective coatings that are not resistant to extreme changes in natural
environmental conditions shall be avoided.
3.4 Design. The case set design, configuration, size, and dimensions shall conform to figures 1
through 7.
3.4.1 Case set. The case set shall consist of two cases. (Case No. 1, see figure 5 and Case No. 2,
see figure 6.)
3.4.1.1 Case No. 1. Case No. 1 shall consist of a left half and a right half, two handles, three hinges,
and two closure bolts. Each half of Case No. 1 shall contain a total of 32 "B" size drawers. (See figures 5
and 7.)
3.4.1.2 Case No. 2. Case No. 2 shall consist of a left half and a right half, two handles, three
hinges, and two closure bolts. Each half of Case No. 2 shall contain 4 "A" size drawers and 8 "C" size
drawers. (See figures 6 and 7.)
3.4.2 Handles. The handles shall conform to U. S. Air Force drawing 44B9598 and positioned on
the case set in accordance with figure 1. The handles shall not fail nor pull loose from the case when
subjected to the test specified in 4.4.3.
3.4.3 Hinges. The hinges shall conform to part number S-1254 hinge, new offset, No. 1 finish,
manufactured by J. H. Sessions and Son, or equal. The three hinges shall be fastened to the case set and
positioned in accordance with figure 1.
3.4.4 Interchangeability. All parts having the same manufacturer's part number shall be functionally
and dimensionally interchangeable.
3.5 Construction. The case set shall be so constructed that no component part will work loose in
services, and withstand the strains, impacts, and other rough handling conditions incident to shipment and
storage of small parts weighing not more than 200 pounds per case.
3.5.1 Sealing. The sealant must establish contact with adjacent surfaces, must have a fillet with not
less than 1/8" or more than 1/4" measuring across the diagonal. The sealant must be applied around each
back plate of the handle inside the case and all internal corners of the case must be sealed along with the
inside of the male tongue assembly.
3.6 Performance. Each container of the case set shall be capable of withstanding the test in 4.4 to
the extend specified herein. Following each test, the case set shall be capable of being opened and closed
with ease and shall show no signs of structural failure, loss of protective coatings, or separation or
disintegration of gasket materials. Drawers shall not be cracked or deformed.
3.6.1 Temperature resistance. The case set and all drawers shall be fully and easily operable
following the low and high temperature tests specified in 4.4.1.1.1 and 4.4.1.1.2 respectively.
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