Any material specifically designed and constructed to resist deterioration from the action of heat, gas, chemicals or liquids and used to create a tight seal. It is supplied in loose form or in coils, spirals, spools or cut lengths, usually having a square or round cross section. For rubber items having a round cross section, see rubber round section. Excludes rope, asbestos; calking cotton; and calking lead. See also packing, preformed; and oakum.
NSN 4140-01-618-4840
NSN 5990-00-106-6609
NSN 5998-01-422-8309
NSN 6105-00-401-8548
NSN 6610-00-419-7844
NSN 6135-00-973-5632
NSN 5905-00-266-0975
NSN 5925-01-349-7193
NSN 5910-01-296-9207
NSN 5975-01-622-3529
NSN 6135-00-112-8637
NSN 6685-01-172-1438