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 5925-00-900-8710
NSN 6650-00-140-8776
NSN 6135-01-134-7222
NSN 5835-01-519-3834
NSN 6145-00-291-5388
NSN 6650-01-655-3478
NSN 5965-01-165-9787
NSN 5975-00-877-2567
NSN 5960-00-224-6828
NSN 5975-01-378-7762
NSN 6240-01-503-3405
NSN 4140-01-495-1807