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 5910-01-319-2985
NSN 7035-00-408-8170
NSN 6320-00-242-3300
NSN 2925-00-109-4694
NSN 6620-01-386-5543
NSN 5990-01-121-1175
NSN 5960-00-821-6693
NSN 6645-00-258-8547
NSN 5960-01-530-8828
NSN 7035-00-849-5526
NSN 5965-00-560-5804
NSN 4140-00-448-4306