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 6240-00-110-4497
NSN 5985-01-513-9930
NSN 6135-01-561-5945
NSN 5925-01-600-5342
NSN 6240-01-406-2317
NSN 5895-01-578-7786
NSN 4140-01-472-2768
NSN 4140-01-006-3324
NSN 5930-01-346-5364
NSN 5895-00-808-0420
NSN 6110-01-554-2379
NSN 5905-01-215-1896