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 5996-01-633-7979
NSN 6320-00-405-2348
NSN 6320-01-495-0512
NSN 6645-00-408-0304
NSN 5930-00-203-5594
NSN 5990-01-107-1003
NSN 6240-00-072-8445
NSN 5930-00-079-0046
NSN 4140-00-189-0235
NSN 5975-01-222-0487
NSN 5960-01-407-1350
NSN 6135-00-194-9354