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 4140-01-252-4392
NSN 5930-01-084-1829
NSN 5935-01-073-6073
NSN 6135-01-511-1975
NSN 5960-01-127-5425
NSN 2925-01-327-3069
NSN 5960-00-927-6716
NSN 5920-01-592-7664
NSN 5835-01-502-9228
NSN 5950-00-958-1808
NSN 4140-01-592-5371
NSN 5920-00-960-7614