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 5996-01-648-0405
NSN 5945-01-654-4479
NSN 5975-01-502-7084
NSN 5998-01-541-5073
NSN 6645-01-408-6568
NSN 5910-00-221-5060
NSN 6320-01-434-6861
NSN 5920-00-061-3361
NSN 5960-01-323-0024
NSN 5990-01-455-2919
NSN 6135-01-420-5907
NSN 5895-00-433-5566