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 5985-01-489-0592
NSN 6240-01-448-3557
NSN 5835-00-552-0734
NSN 5920-01-551-1295
NSN 6145-01-175-5988
NSN 7035-00-465-3298
NSN 5945-01-274-5476
NSN 6135-00-134-6648
NSN 5930-01-540-2059
NSN 6685-01-187-0254
NSN 5990-00-144-3243
NSN 5910-01-623-3740