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 5996-01-158-9695
NSN 6220-01-536-6088
NSN 6150-00-994-5030
NSN 5855-01-149-4110
NSN 5905-00-376-1771
NSN 5895-01-152-1947
NSN 5920-01-488-9390
NSN 4140-00-399-5994
NSN 5930-01-465-6075
NSN 4140-00-213-9937
NSN 5905-01-124-2937
NSN 5998-01-053-2536