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 6240-01-231-9243
NSN 6610-00-335-6083
NSN 6135-00-255-1340
NSN 6610-00-289-9834
NSN 6320-00-809-5744
NSN 5835-01-647-6426
NSN 6610-00-239-2374
NSN 5920-00-042-6435
NSN 5855-00-451-6155
NSN 5910-01-556-4278
NSN 6105-00-548-2220
NSN 6145-01-558-3249