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 5990-00-941-5989
NSN 6130-01-568-3216
NSN 5999-01-152-0042
NSN 5905-01-139-3828
NSN 6610-01-530-6730
NSN 5920-00-175-7987
NSN 5990-00-539-7859
NSN 5925-01-547-4304
NSN 6105-00-186-0161
NSN 5950-00-471-8880
NSN 5996-01-406-9297
NSN 6620-01-333-6756