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 5999-01-086-5529
NSN 6240-00-646-6931
NSN 6110-00-170-6520
NSN 6135-00-347-0595
NSN 5835-01-599-1876
NSN 6620-01-183-8959
NSN 5905-01-398-0255
NSN 5975-00-568-7319
NSN 6145-00-808-9463
NSN 6685-01-486-4992
NSN 6105-01-423-4980
NSN 6110-00-232-5406