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 6620-00-560-4406
NSN 5985-00-205-2527
NSN 6150-00-556-8891
NSN 5999-00-236-0826
NSN 6610-01-500-0863
NSN 5965-00-119-3550
NSN 5835-01-416-6455
NSN 5905-01-281-7351
NSN 6135-00-087-5300
NSN 6650-00-658-9627
NSN 5920-01-181-5248
NSN 5999-00-780-2904