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 6320-01-291-4870
NSN 6320-01-215-1133
NSN 6110-00-683-5461
NSN 2925-00-720-3948
NSN 5935-01-235-2112
NSN 5905-01-516-8932
NSN 5998-00-176-0107
NSN 5945-00-673-1268
NSN 6320-01-170-4068
NSN 5935-00-872-4061
NSN 5950-01-023-2247
NSN 5965-00-716-7078