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 6620-01-197-0386
NSN 5835-01-152-9483
NSN 5920-01-562-3626
NSN 4140-01-163-8796
NSN 5965-01-441-8826
NSN 6130-00-865-6558
NSN 5905-01-416-2589
NSN 5930-00-879-8344
NSN 6220-01-283-1294
NSN 4140-01-573-7272
NSN 6150-00-519-7146
NSN 6320-01-459-6992