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 6240-00-793-1807
NSN 6240-01-499-6109
NSN 5999-01-500-9483
NSN 5855-01-093-3080
NSN 5855-00-973-5717
NSN 6145-01-142-2234
NSN 5945-00-100-5901
NSN 5960-01-263-1641
NSN 4140-01-118-2619
NSN 5905-01-201-0418
NSN 5935-00-239-4976
NSN 6145-00-218-7831