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 5910-00-419-6335
NSN 4140-01-025-1555
NSN 7035-01-366-5912
NSN 6645-01-235-0892
NSN 6240-01-453-5036
NSN 5985-01-153-2657
NSN 6650-00-276-9838
NSN 5910-00-225-7331
NSN 5960-00-257-4203
NSN 5985-00-721-4303
NSN 5996-01-428-9436
NSN 5945-01-355-4230