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 5975-01-634-0678
NSN 6650-01-371-2356
NSN 6620-01-510-6367
NSN 5990-01-612-5323
NSN 5930-01-617-9607
NSN 6645-01-338-9152
NSN 6610-01-199-0499
NSN 5945-01-372-6509
NSN 6320-01-342-7548
NSN 5835-00-128-1967
NSN 6220-01-319-2580
NSN 6645-01-350-3138