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 5999-01-138-8671
NSN 5990-01-242-9653
NSN 6135-00-583-3966
NSN 5975-01-305-8185
NSN 5835-00-155-1379
NSN 5965-01-507-7464
NSN 4140-00-927-4328
NSN 5855-01-087-1417
NSN 6145-01-658-3347
NSN 5998-01-579-9202
NSN 6685-01-069-3639
NSN 5998-01-020-7274