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 6645-01-335-9183
NSN 6220-00-553-8938
NSN 6610-00-890-9099
NSN 4140-00-269-5795
NSN 5935-00-809-5206
NSN 5945-01-013-8585
NSN 6610-00-830-9149
NSN 5998-00-754-0663
NSN 5915-01-418-6166
NSN 6220-01-202-3180
NSN 4140-01-141-2074
NSN 6135-01-482-7901