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 6150-01-436-9457
NSN 5835-01-455-3380
NSN 5905-01-059-2897
NSN 5915-00-378-0744
NSN 4140-01-620-4571
NSN 6240-00-677-0305
NSN 6650-01-024-9554
NSN 6220-01-067-8142
NSN 5930-01-378-6976
NSN 5930-01-352-8514
NSN 6110-00-369-8499
NSN 5910-01-653-1560