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 5920-01-652-4183
NSN 5985-00-203-1200
NSN 5998-00-292-4330
NSN 5990-00-488-1091
NSN 5945-01-281-3970
NSN 6610-00-146-3499
NSN 5930-01-540-7431
NSN 5960-01-177-0338
NSN 6620-00-035-5813
NSN 5996-01-602-3992
NSN 5950-01-327-3599
NSN 5998-01-387-8448