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 5999-01-581-7182
NSN 5950-01-238-1655
NSN 6135-00-412-1687
NSN 6110-00-904-8925
NSN 5998-01-658-1937
NSN 6645-00-019-0554
NSN 7035-00-371-7749
NSN 5925-01-430-5306
NSN 5905-01-576-5674
NSN 5855-01-352-7033
NSN 6150-00-840-5847
NSN 6685-00-932-1322