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 5990-01-188-7309
NSN 6110-01-461-5116
NSN 5996-00-707-6228
NSN 5960-01-464-9605
NSN 5905-01-462-1214
NSN 5905-00-952-6026
NSN 6135-01-303-0295
NSN 5960-01-564-5044
NSN 5960-00-289-6591
NSN 5975-01-023-6897
NSN 6130-00-955-1743
NSN 6220-01-293-5450