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 5998-01-252-4850
NSN 5960-01-580-6360
NSN 5998-00-903-7901
NSN 6620-00-431-3837
NSN 7035-01-411-6062
NSN 5990-00-185-5888
NSN 6145-01-420-0954
NSN 6645-01-322-5644
NSN 5855-01-419-9429
NSN 6240-01-141-2219
NSN 5855-00-494-9581
NSN 2925-01-446-6976