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 5985-00-597-2966
NSN 5920-00-614-4643
NSN 6320-01-150-5378
NSN 4140-01-214-6380
NSN 6150-00-174-5029
NSN 5920-01-627-0663
NSN 5960-01-183-3779
NSN 5960-01-148-5859
NSN 6620-01-576-7723
NSN 5945-01-254-6629
NSN 5930-00-660-4417
NSN 2925-01-387-0870