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 5985-00-156-5837
NSN 6645-01-203-9542
NSN 6620-00-273-8735
NSN 6105-00-409-4162
NSN 6645-01-139-0156
NSN 6650-01-392-8086
NSN 5960-01-609-6565
NSN 5910-00-163-9940
NSN 5835-01-104-5497
NSN 6150-01-530-7957
NSN 7035-01-413-6697
NSN 5996-01-646-2851