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 5999-00-172-3845
NSN 6220-01-549-8057
NSN 6150-01-185-6471
NSN 5945-00-059-3076
NSN 5925-01-619-7736
NSN 7035-00-529-3128
NSN 5930-01-608-3433
NSN 5835-01-102-4451
NSN 5960-01-382-8772
NSN 6145-00-161-2394
NSN 5985-00-932-5333
NSN 5920-00-051-8277