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 5915-01-608-4816
NSN 6650-00-273-8732
NSN 5985-01-569-2858
NSN 5925-01-127-7608
NSN 5930-01-596-3660
NSN 6130-01-400-6123
NSN 6110-01-588-0354
NSN 5920-01-649-3942
NSN 6135-01-220-7193
NSN 5960-01-253-6687
NSN 5999-00-151-4062
NSN 5950-00-153-1959