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 6240-00-422-1278
NSN 6650-00-809-1817
NSN 5925-00-203-1278
NSN 6320-00-994-0179
NSN 5930-00-368-4149
NSN 5960-01-515-4791
NSN 6145-00-284-1514
NSN 2925-01-167-6500
NSN 5990-00-170-4239
NSN 5985-00-067-7251
NSN 6145-01-264-7232
NSN 5910-00-360-2334