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 6645-01-505-5772
NSN 5996-01-500-2820
NSN 5905-01-064-4036
NSN 5835-01-524-2742
NSN 6650-01-219-9411
NSN 6240-00-643-4532
NSN 5835-01-457-7951
NSN 6650-01-434-0331
NSN 5950-00-591-4905
NSN 5960-00-247-4976
NSN 5965-01-469-7401
NSN 6150-00-038-5009