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 5895-01-266-8711
NSN 6145-01-267-9341
NSN 6610-00-005-1847
NSN 6220-01-282-3720
NSN 6320-01-328-6575
NSN 5835-00-581-9460
NSN 5985-01-038-5516
NSN 6320-00-238-9973
NSN 5925-01-171-2948
NSN 6620-00-826-7238
NSN 5998-00-288-5533
NSN 5925-01-327-2731