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 5910-01-604-9958
NSN 6240-01-443-6597
NSN 5920-01-183-9853
NSN 6645-00-869-0850
NSN 5915-00-091-1178
NSN 4140-01-044-2880
NSN 5855-01-400-1590
NSN 6150-01-659-6297
NSN 6145-00-560-5726
NSN 5920-01-648-2686
NSN 5910-00-445-1020
NSN 6645-01-627-8040