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 5935-01-188-1720
NSN 6220-01-136-0339
NSN 4140-01-503-1420
NSN 5965-00-728-6734
NSN 6145-00-226-9499
NSN 5930-01-539-1585
NSN 6105-01-039-0396
NSN 6110-01-301-7382
NSN 6645-01-422-9672
NSN 5965-01-307-8301
NSN 6320-01-378-6191
NSN 6150-01-028-4937