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 5960-01-362-7463
NSN 6620-01-234-1799
NSN 4140-01-463-9299
NSN 4140-01-442-6442
NSN 5895-00-934-1372
NSN 5835-01-378-6804
NSN 5915-01-422-9979
NSN 6110-01-142-8339
NSN 5960-00-494-4764
NSN 6220-01-426-6922
NSN 6610-01-413-3912
NSN 7035-00-553-6951