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 6620-00-105-3312
NSN 5920-01-483-9764
NSN 6650-00-833-4002
NSN 5999-00-876-6781
NSN 6320-01-366-5157
NSN 6620-00-224-8261
NSN 5905-01-470-7186
NSN 5960-00-188-6977
NSN 6145-01-062-1104
NSN 2925-01-332-7178
NSN 2925-01-511-5359
NSN 6220-01-020-8703