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 5950-01-224-9926
NSN 5985-01-421-8696
NSN 5975-01-513-1463
NSN 6110-01-414-5305
NSN 6130-01-381-1046
NSN 5855-00-156-5489
NSN 7035-01-042-5308
NSN 4140-01-292-5443
NSN 5935-01-372-0731
NSN 6645-01-055-3384
NSN 6240-01-013-8895
NSN 5999-01-377-5248