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 6240-01-288-0555
NSN 5985-00-010-0645
NSN 5920-01-051-6638
NSN 5960-01-518-4440
NSN 6320-01-224-0063
NSN 6620-00-770-0989
NSN 6240-00-183-0570
NSN 5998-00-752-1162
NSN 6645-00-269-8440
NSN 5910-00-859-8320
NSN 6135-01-653-6113
NSN 5965-01-649-1279