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 4140-00-222-2186
NSN 5999-01-319-9026
NSN 5998-01-209-0423
NSN 5950-01-475-1031
NSN 5999-01-157-9643
NSN 5925-01-617-3533
NSN 5985-00-006-6889
NSN 6610-01-515-9272
NSN 6685-01-232-7091
NSN 6150-00-896-0037
NSN 6320-01-512-2031
NSN 6685-00-416-8892