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 6620-00-349-4703
NSN 4140-00-419-0631
NSN 6130-01-380-2002
NSN 6645-01-334-7326
NSN 5975-01-381-1086
NSN 5998-00-987-5489
NSN 6220-01-352-2496
NSN 6150-01-351-6152
NSN 5985-01-421-4082
NSN 4140-00-740-2153
NSN 6650-01-115-7981
NSN 7035-01-045-7202