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 4140-01-399-8527
NSN 6145-01-169-4584
NSN 5930-01-019-1995
NSN 5960-01-032-4229
NSN 5925-01-502-2060
NSN 5910-01-185-1676
NSN 6150-00-374-9318
NSN 2925-01-041-8201
NSN 5905-00-942-3869
NSN 5985-01-211-2638
NSN 6610-01-141-9979
NSN 5998-01-463-9868