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 6240-00-591-6836
NSN 5950-00-146-4960
NSN 5925-01-465-0601
NSN 5895-00-386-7061
NSN 6220-01-511-5148
NSN 6105-00-193-8150
NSN 5855-00-832-9341
NSN 6645-00-279-1777
NSN 6135-01-552-1568
NSN 5905-01-021-1007
NSN 6320-01-180-9908
NSN 6320-00-593-0379