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 5930-00-811-7245
NSN 5935-00-785-4930
NSN 6320-01-216-1678
NSN 6320-01-381-7023
NSN 5999-01-333-6451
NSN 5910-01-435-4717
NSN 6320-00-823-2015
NSN 5920-01-028-8960
NSN 4140-00-555-3856
NSN 5985-01-129-5991
NSN 6320-01-067-0474
NSN 5895-01-369-8822