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 5930-01-164-5916
NSN 5945-01-449-1257
NSN 5920-01-426-8517
NSN 5996-01-495-0763
NSN 6650-00-160-4288
NSN 5950-01-623-7399
NSN 6240-01-187-3687
NSN 4140-01-179-4049
NSN 6645-01-411-5657
NSN 5975-01-634-0678
NSN 5855-00-323-0967
NSN 6650-01-555-8819