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 5990-01-595-9441
NSN 6620-01-371-5040
NSN 6130-01-426-8841
NSN 6105-01-107-0617
NSN 6110-00-097-0617
NSN 5930-00-007-9742
NSN 6135-01-633-8502
NSN 4140-01-448-0120
NSN 6610-01-157-0426
NSN 5996-00-459-7445
NSN 6240-01-310-8778
NSN 6685-00-557-8622