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 5905-00-166-8780
NSN 5930-01-345-9987
NSN 6620-01-422-3522
NSN 5975-01-164-7428
NSN 6150-00-811-7703
NSN 5999-01-534-1424
NSN 4140-00-475-5368
NSN 6220-01-528-6911
NSN 6620-01-029-4777
NSN 5920-01-303-4484
NSN 5965-00-474-6974
NSN 6145-00-735-7764