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 6135-01-449-2144
NSN 5930-00-241-3654
NSN 6105-01-269-1988
NSN 5996-00-796-4099
NSN 6220-01-548-1661
NSN 5990-00-518-3195
NSN 6110-00-655-2937
NSN 5920-01-174-2579
NSN 6110-01-283-7834
NSN 2925-00-872-4474
NSN 5985-00-111-1605
NSN 6105-00-804-2683