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 5999-01-269-1157
NSN 4140-00-808-0961
NSN 5945-01-570-9024
NSN 5950-01-113-7834
NSN 5960-01-327-0334
NSN 6320-01-521-1764
NSN 6220-01-491-0236
NSN 5960-00-584-4553
NSN 5945-00-170-5885
NSN 5985-01-083-3368
NSN 6145-01-432-2440
NSN 6610-01-571-1495