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 6620-01-064-0366
NSN 5975-01-523-0425
NSN 5915-01-209-4149
NSN 6110-00-510-8155
NSN 5935-01-265-7022
NSN 6320-01-512-2031
NSN 6220-01-069-2340
NSN 6150-01-535-7887
NSN 5915-00-810-6746
NSN 5960-01-466-4153
NSN 6130-01-324-6468
NSN 5990-01-562-4521