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 5975-00-103-6653
NSN 5996-00-724-4944
NSN 5930-00-110-0831
NSN 6320-01-260-7390
NSN 4140-01-087-3336
NSN 5985-01-061-0600
NSN 5945-01-452-1067
NSN 4140-00-529-7463
NSN 5915-01-525-7731
NSN 6220-00-823-6688
NSN 5835-01-125-0303
NSN 5915-00-627-1129