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 5990-01-485-0260
NSN 5935-00-563-1430
NSN 7035-01-386-5722
NSN 6110-00-653-3936
NSN 6645-00-558-0028
NSN 4140-00-983-4083
NSN 5935-01-487-6660
NSN 5996-01-592-3011
NSN 5910-01-500-6680
NSN 5925-01-480-6701
NSN 5835-00-933-9609
NSN 6150-01-200-7176