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 6650-01-540-5157
NSN 6135-01-104-3790
NSN 6150-01-580-8536
NSN 5920-01-394-5003
NSN 6110-01-578-6777
NSN 6610-01-633-8931
NSN 5915-01-185-2897
NSN 6320-01-108-5933
NSN 6145-01-396-0982
NSN 6150-01-412-0132
NSN 5910-01-179-1879
NSN 5950-01-430-5502