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 5930-01-623-9931
NSN 6130-01-430-9573
NSN 5960-01-093-2740
NSN 6685-00-150-2779
NSN 5990-01-578-5382
NSN 5905-00-204-9535
NSN 6320-01-089-9086
NSN 6135-01-507-4346
NSN 4140-01-025-1555
NSN 4140-00-943-7434
NSN 5935-00-204-0075
NSN 6610-01-224-7247