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 5999-01-238-0475
NSN 6650-00-762-0267
NSN 6620-01-580-9746
NSN 5895-00-097-9695
NSN 5985-01-425-1753
NSN 4140-01-175-7081
NSN 5996-01-187-4292
NSN 5985-01-437-8135
NSN 4140-00-647-1142
NSN 5950-01-035-5730
NSN 5910-00-093-3474
NSN 6130-00-431-8804