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 4140-01-361-7975
NSN 5895-00-195-1497
NSN 6650-01-432-5461
NSN 6145-01-634-0388
NSN 5935-00-595-9262
NSN 5895-00-490-0097
NSN 6145-01-197-1619
NSN 5990-01-563-1554
NSN 6135-01-029-9315
NSN 6650-01-189-4433
NSN 5920-00-686-2671
NSN 6130-01-610-8728