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 5996-01-341-6437
NSN 5910-01-313-8394
NSN 5910-01-660-7896
NSN 6320-01-132-2746
NSN 4140-01-659-0309
NSN 5835-00-233-6327
NSN 6645-00-300-0401
NSN 6610-01-233-5857
NSN 5960-01-211-8344
NSN 5965-01-592-1238
NSN 5945-00-932-3335
NSN 6610-00-629-1883