NONA-SB-EST-OSRE
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 6645-01-172-6838
NSN 4140-01-571-6935
NSN 5975-01-156-8436
NSN 7035-01-508-5064
NSN 6650-00-144-4555
NSN 5965-01-472-1997
NSN 6145-00-482-6129
NSN 5996-01-281-7336
NSN 5905-01-499-1828
NSN 5950-01-462-2633
NSN 6620-01-261-2985
NSN 5998-01-581-5322