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 6145-01-432-8672
NSN 6645-00-509-9008
NSN 2925-01-327-3069
NSN 5930-01-099-5005
NSN 6150-01-641-1813
NSN 6645-01-348-1120
NSN 5965-01-323-7225
NSN 6240-00-888-7563
NSN 5990-01-124-9063
NSN 5998-00-431-4843
NSN 5990-01-339-5118
NSN 6620-01-029-8723