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 5999-01-220-6250
NSN 6610-00-902-7505
NSN 5960-01-495-0859
NSN 5835-00-457-9528
NSN 6610-01-425-1523
NSN 6130-01-203-1955
NSN 5835-01-432-1277
NSN 6110-00-508-1327
NSN 6145-00-427-7201
NSN 4140-00-669-6109
NSN 6145-01-434-5848
NSN 5925-01-280-3758