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 6620-00-010-8190
NSN 6145-01-169-3001
NSN 6610-00-299-1844
NSN 4140-00-882-2233
NSN 6135-00-097-8162
NSN 5835-01-035-9345
NSN 6145-01-361-8985
NSN 5835-01-509-8992
NSN 5895-01-386-1376
NSN 5905-01-090-8968
NSN 5895-00-202-4961
NSN 5935-00-818-7459