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 5999-01-107-6440
NSN 6105-01-307-3784
NSN 7035-01-268-8042
NSN 4140-01-555-8190
NSN 5925-00-223-9552
NSN 6135-01-450-3781
NSN 6685-00-809-4297
NSN 6610-01-444-4001
NSN 6240-00-050-4522
NSN 5975-00-248-2560
NSN 5950-01-136-0004
NSN 6135-01-568-3234