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 5985-00-514-7575
NSN 5925-01-111-8431
NSN 5999-01-127-7880
NSN 5930-01-054-2643
NSN 7035-01-633-1920
NSN 6110-00-519-1714
NSN 5990-00-253-4323
NSN 5935-01-632-2331
NSN 5930-01-086-7745
NSN 5975-00-140-3225
NSN 5998-00-378-4096
NSN 6645-01-290-1448