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 5975-00-791-2835
NSN 5985-01-579-8048
NSN 4140-01-397-4174
NSN 6110-01-132-4248
NSN 5950-00-581-9999
NSN 5960-01-614-8005
NSN 6240-00-904-2122
NSN 5996-00-222-6049
NSN 6685-01-338-0867
NSN 6240-01-306-1137
NSN 6145-01-512-8688
NSN 2925-01-025-0082