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 5920-01-412-1080
NSN 6145-01-064-6872
NSN 6135-01-629-6940
NSN 4140-01-368-1240
NSN 6650-00-283-0978
NSN 5915-00-205-2615
NSN 5915-01-442-9810
NSN 2925-00-707-6770
NSN 5975-00-508-7169
NSN 5855-01-150-9970
NSN 5996-01-326-6142
NSN 6685-01-238-6911