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 5985-01-221-4081
NSN 5960-00-199-3875
NSN 5895-01-444-4133
NSN 6240-01-362-6051
NSN 5935-01-351-6159
NSN 6610-00-765-7174
NSN 5930-00-661-2280
NSN 6610-01-067-0228
NSN 6650-00-356-8405
NSN 5975-01-353-3818
NSN 5996-01-200-1582
NSN 6110-01-336-8669