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 5855-00-149-0766
NSN 5998-01-276-3720
NSN 5950-00-216-7548
NSN 6610-01-510-8687
NSN 6320-00-194-4252
NSN 5905-01-617-5681
NSN 5975-01-460-2121
NSN 6650-01-646-1643
NSN 5930-01-585-5814
NSN 6645-01-631-3451
NSN 5985-01-114-1969
NSN 6610-00-419-3154