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 6150-01-149-4067
NSN 5996-01-100-5447
NSN 5930-01-451-3236
NSN 5945-00-263-3036
NSN 6610-01-322-1394
NSN 5975-01-154-2789
NSN 6150-01-203-7222
NSN 5835-00-054-4607
NSN 5960-01-549-4826
NSN 6145-01-362-2950
NSN 6685-01-503-3159
NSN 6645-01-542-1472