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 5910-00-151-5815
NSN 5990-00-242-3754
NSN 5835-00-909-8088
NSN 4140-00-420-0251
NSN 7035-00-541-8516
NSN 5960-01-123-8775
NSN 6150-00-395-2867
NSN 6320-01-176-8367
NSN 4140-01-479-4257
NSN 5945-01-323-5787
NSN 5920-01-226-1400
NSN 5950-01-466-4209