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 5999-01-254-2651
NSN 6110-01-411-7478
NSN 6150-00-332-5893
NSN 6650-01-594-9915
NSN 7035-01-179-5667
NSN 5945-01-351-7229
NSN 5990-00-518-7525
NSN 6620-00-575-9230
NSN 2925-01-175-1217
NSN 5855-01-369-5037
NSN 6130-01-397-6735
NSN 5855-00-832-9341