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 5920-01-480-9260
NSN 5975-01-271-9027
NSN 5855-01-277-1663
NSN 4140-00-081-6814
NSN 6135-01-400-2947
NSN 5930-01-063-7497
NSN 5960-01-648-1872
NSN 6610-01-527-1599
NSN 5925-01-237-9394
NSN 5930-00-964-6350
NSN 2925-01-354-1752
NSN 5920-01-177-1278