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 5985-01-646-6767
NSN 5990-00-843-0244
NSN 5996-01-233-5752
NSN 4140-01-384-1735
NSN 5965-01-299-8690
NSN 6145-01-431-7767
NSN 5935-01-489-5265
NSN 5835-01-160-7282
NSN 4140-00-339-1514
NSN 6240-00-295-2729
NSN 6130-00-548-0855
NSN 5855-01-387-5224