The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5990-01-411-5930
NSN 5855-01-329-4006
NSN 5855-00-058-1293
NSN 5999-01-211-6671
NSN 2925-00-740-7029
NSN 5998-01-476-9568
NSN 6220-00-737-4162
NSN 5920-00-753-5113
NSN 5975-00-933-8381
NSN 6685-00-177-6491
NSN 5855-01-184-8089
NSN 6240-00-017-9006