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 5960-01-278-9394
NSN 5990-00-267-9956
NSN 6320-00-925-0558
NSN 5835-01-536-6241
NSN 6135-00-477-8847
NSN 6135-01-498-2233
NSN 2925-01-607-7754
NSN 5960-01-328-8248
NSN 6610-00-104-7518
NSN 6650-00-658-9627
NSN 5905-00-444-4849
NSN 6645-00-334-9225