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 5925-01-321-8829
NSN 5905-00-126-6705
NSN 6240-01-017-8281
NSN 6130-00-778-9793
NSN 5930-00-775-7577
NSN 5930-01-236-8368
NSN 5920-01-471-7771
NSN 2925-00-925-0545
NSN 5999-01-143-5895
NSN 6620-01-131-9620
NSN 2925-01-614-0476
NSN 5945-01-466-3522