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 2925-01-143-0092
NSN 6110-01-314-8429
NSN 4140-00-803-1088
NSN 5925-01-435-4943
NSN 5835-01-152-9483
NSN 6130-00-525-9975
NSN 5996-01-452-1868
NSN 6650-01-510-9488
NSN 5960-01-305-1874
NSN 5985-01-345-6954
NSN 6620-00-646-9474
NSN 4140-01-098-0213