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 4140-01-008-7159
NSN 5950-00-620-9788
NSN 6145-00-101-9857
NSN 5855-01-615-0461
NSN 6220-01-598-6189
NSN 5920-01-247-9196
NSN 6110-00-419-4475
NSN 5925-00-852-2820
NSN 6320-01-054-3046
NSN 5950-01-434-9076
NSN 6220-01-269-5263
NSN 7035-01-413-6697