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 5930-01-221-4278
NSN 6220-01-282-3720
NSN 5935-00-462-5712
NSN 5999-00-821-4394
NSN 5960-00-265-0726
NSN 6220-00-615-2168
NSN 5925-01-436-4943
NSN 5925-01-340-1185
NSN 5950-00-542-0627
NSN 6150-01-537-5460
NSN 6135-01-645-4141
NSN 5975-01-351-5249