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 5990-01-411-5930
NSN 5950-01-067-5222
NSN 5935-01-179-4151
NSN 6220-00-288-4350
NSN 5910-00-724-4425
NSN 5975-00-518-1733
NSN 5999-01-132-8393
NSN 4140-01-331-5974
NSN 5950-01-319-4127
NSN 6145-00-141-8095
NSN 6150-01-423-8336
NSN 5990-01-231-9608