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 5996-00-778-4735
NSN 6645-00-616-1289
NSN 5945-00-927-9148
NSN 5950-01-243-0835
NSN 6130-00-963-1380
NSN 5950-00-010-9665
NSN 5998-00-351-7211
NSN 6145-01-395-2136
NSN 5999-01-424-1707
NSN 6685-00-999-2503
NSN 5835-01-512-4834
NSN 6320-01-321-7658