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 5930-01-200-4653
NSN 4140-01-161-7393
NSN 6645-01-585-0018
NSN 5855-01-257-5338
NSN 4140-00-632-6169
NSN 7035-01-341-9098
NSN 6620-00-470-3219
NSN 6130-00-387-2051
NSN 6645-00-540-8930
NSN 6145-01-281-6737
NSN 5975-00-009-2725
NSN 6620-01-258-2570