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 5855-00-944-0949
NSN 6135-00-985-7846
NSN 5910-00-702-6659
NSN 5975-01-448-1344
NSN 6620-01-327-4111
NSN 6105-00-314-6879
NSN 7035-01-033-3007
NSN 5920-00-893-8679
NSN 6145-01-113-2337
NSN 5990-00-267-9956
NSN 5975-01-027-6657
NSN 5905-01-054-4096