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 5999-00-806-5162
NSN 5910-00-508-2667
NSN 5996-00-339-7078
NSN 5985-00-226-6846
NSN 5960-00-119-4476
NSN 5960-01-328-8248
NSN 6610-01-469-2408
NSN 2925-01-177-1598
NSN 5930-00-528-5252
NSN 5998-01-392-9831
NSN 5915-01-195-6083
NSN 6135-01-187-4382