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 5925-00-830-8148
NSN 6135-01-066-6904
NSN 5990-01-529-6347
NSN 6110-01-628-1585
NSN 6645-01-437-9017
NSN 6610-01-123-2276
NSN 5905-00-167-6647
NSN 6110-00-323-9816
NSN 6135-01-136-8306
NSN 7035-01-477-4181
NSN 5960-00-351-4821
NSN 5945-01-416-7767