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 5975-01-658-7960
NSN 5925-01-239-4000
NSN 6220-01-126-7693
NSN 6620-01-316-7907
NSN 5930-01-263-1975
NSN 5925-00-188-8678
NSN 6240-00-170-5302
NSN 6220-01-577-1020
NSN 5996-00-287-5059
NSN 5960-00-931-4215
NSN 5996-00-389-7404
NSN 6320-00-925-0558