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 6105-01-446-9092
NSN 6105-01-432-2249
NSN 5855-01-447-3137
NSN 6130-00-335-9712
NSN 4140-01-510-2729
NSN 5975-00-288-5877
NSN 2925-01-203-0493
NSN 5998-01-644-5274
NSN 5999-01-053-7832
NSN 5855-01-406-4821
NSN 6610-01-229-3679
NSN 6320-01-462-3555