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 6240-01-240-7529
NSN 5950-01-125-6157
NSN 5990-01-304-7597
NSN 5905-01-208-0265
NSN 5985-01-512-7785
NSN 6320-00-284-1524
NSN 5925-01-182-1639
NSN 5915-01-565-8955
NSN 5975-00-061-7035
NSN 7035-01-266-3490
NSN 5915-01-185-2897
NSN 7035-01-508-0619