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 5975-01-478-0302
NSN 6650-01-460-0330
NSN 5950-00-844-0609
NSN 5935-01-054-0866
NSN 5910-01-645-6189
NSN 6610-01-483-1317
NSN 5855-01-308-0955
NSN 5945-01-446-4534
NSN 6110-01-411-9297
NSN 6645-00-368-8636
NSN 6685-01-152-2768
NSN 7035-01-467-5564