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 5920-00-201-4914
NSN 5925-00-682-4096
NSN 5895-01-607-0346
NSN 6645-01-511-3272
NSN 5920-01-501-0674
NSN 6650-00-658-9627
NSN 5855-01-249-8456
NSN 5985-00-275-2830
NSN 5930-01-268-7774
NSN 5990-00-362-1453
NSN 6135-00-377-9165
NSN 5855-00-896-4047