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 4140-01-135-4617
NSN 5965-01-433-8086
NSN 6135-01-648-4875
NSN 6220-01-281-6027
NSN 6240-01-048-3330
NSN 6145-00-598-9397
NSN 5945-01-551-1250
NSN 6240-00-799-1528
NSN 5975-01-023-6897
NSN 6150-01-055-5424
NSN 5985-01-187-4010
NSN 6240-01-333-1996