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 4140-01-039-9874
NSN 4140-01-072-0729
NSN 5925-01-437-6822
NSN 5895-00-823-8571
NSN 5950-01-593-8557
NSN 6650-01-029-5414
NSN 5950-01-092-0889
NSN 5935-01-557-7412
NSN 5960-00-661-0477
NSN 5975-01-227-2644
NSN 6110-01-529-5244
NSN 5996-00-369-5299