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 4140-00-120-1203
NSN 6320-00-313-9114
NSN 5960-01-203-3619
NSN 6320-01-592-4567
NSN 5915-00-754-9891
NSN 5895-01-151-7686
NSN 6220-01-083-5822
NSN 2925-01-370-6898
NSN 6320-01-084-7456
NSN 5910-00-925-9082
NSN 6610-00-061-7882
NSN 5999-00-756-0839