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 5920-00-688-4086
NSN 4140-00-067-7460
NSN 5945-00-415-8284
NSN 5950-01-242-9896
NSN 5835-01-565-3411
NSN 6135-00-539-8088
NSN 5998-01-519-2626
NSN 6650-00-161-4122
NSN 5965-01-462-2291
NSN 5945-01-158-2377
NSN 5895-00-356-6335
NSN 6685-01-092-2365