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 5990-00-553-6716
NSN 5975-00-810-6394
NSN 5965-01-506-7576
NSN 4140-01-520-8584
NSN 5835-01-177-1092
NSN 5930-00-167-8058
NSN 6145-01-483-1292
NSN 5975-01-029-9005
NSN 6610-00-075-8147
NSN 6320-01-532-7491
NSN 5960-01-242-5297
NSN 4140-00-889-7990