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 4140-00-482-9221
NSN 5910-01-574-0303
NSN 5945-00-684-8160
NSN 5935-01-534-3683
NSN 5985-01-465-7191
NSN 5950-01-515-4939
NSN 5905-01-282-1510
NSN 6610-01-218-2937
NSN 7035-01-202-8699
NSN 6220-01-296-2567
NSN 5910-00-834-0774
NSN 5996-01-547-9155