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 5960-01-539-1956
NSN 6145-01-577-0935
NSN 6650-01-363-9043
NSN 5999-01-436-9857
NSN 6145-01-190-7960
NSN 5990-00-998-6193
NSN 5895-00-740-7461
NSN 5950-00-708-9707
NSN 6150-01-161-2373
NSN 6650-01-172-2226
NSN 5910-01-023-1406
NSN 5945-00-337-0454