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 5998-01-496-1550
NSN 5945-01-534-6123
NSN 5990-00-874-3036
NSN 5925-01-598-8280
NSN 6220-01-264-6697
NSN 6610-01-483-1317
NSN 5985-01-111-0480
NSN 5835-01-412-0344
NSN 5930-01-082-3797
NSN 5930-00-291-5400
NSN 2925-01-194-2484
NSN 2925-01-421-9665