A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6130-01-527-0247
NSN 6620-01-549-6653
NSN 5920-01-272-8902
NSN 2925-01-055-9705
NSN 4140-00-686-4894
NSN 6150-00-155-8511
NSN 5965-01-414-2257
NSN 5999-01-384-3532
NSN 2925-01-466-0892
NSN 5996-01-386-7421
NSN 5915-01-528-8298
NSN 5945-00-401-2865