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 5965-01-274-5016
NSN 5975-01-616-7908
NSN 6650-01-069-8211
NSN 5925-01-212-7249
NSN 5996-00-725-2701
NSN 6135-01-595-9328
NSN 5895-00-299-1601
NSN 5985-00-891-3713
NSN 4140-00-128-8072
NSN 5996-01-116-6946
NSN 5905-01-139-6055
NSN 6240-00-518-3541