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 6320-00-857-4073
NSN 5945-00-276-9261
NSN 5960-00-422-5376
NSN 6620-01-063-1441
NSN 4140-01-010-8183
NSN 5835-01-307-8954
NSN 6645-01-519-3007
NSN 6135-01-441-7922
NSN 5925-01-180-4800
NSN 6320-01-198-4024
NSN 5990-01-651-6364
NSN 5985-01-113-1090