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 6240-01-343-4322
NSN 5990-01-185-2722
NSN 4140-01-289-7912
NSN 5990-00-864-9690
NSN 6650-01-425-1934
NSN 6220-00-338-1086
NSN 5975-00-785-9288
NSN 5965-01-487-4479
NSN 5950-01-346-1696
NSN 5910-00-700-5968
NSN 5998-01-172-9436
NSN 6650-01-237-4689