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 4140-01-645-1166
NSN 6650-01-071-1234
NSN 6320-01-442-3428
NSN 6320-01-541-7585
NSN 5999-01-543-6817
NSN 6645-01-185-4061
NSN 5925-00-104-8540
NSN 6620-01-436-2715
NSN 5999-00-450-7279
NSN 6240-00-660-8849
NSN 6610-01-412-0058
NSN 5905-01-144-0870