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 5945-00-959-0085
NSN 6240-01-005-3456
NSN 5905-01-480-0130
NSN 5910-01-134-8025
NSN 5950-01-535-0099
NSN 6610-01-327-3187
NSN 5996-01-620-7742
NSN 6320-00-809-5744
NSN 5996-01-259-1547
NSN 5930-01-535-2978
NSN 5950-00-228-2496
NSN 4140-00-868-1817