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 5975-01-152-2635
NSN 7035-00-142-9076
NSN 7035-01-597-7179
NSN 5855-01-456-8667
NSN 4140-01-605-1533
NSN 6110-01-350-3449
NSN 7035-01-358-5888
NSN 5985-00-469-5286
NSN 4140-00-249-5603
NSN 5985-00-189-0953
NSN 4140-01-371-7495
NSN 6240-01-069-2688