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 6620-01-057-2580
NSN 5950-00-960-4713
NSN 5935-01-069-2213
NSN 4140-00-394-8731
NSN 6320-01-412-2973
NSN 6645-01-457-7565
NSN 5915-01-157-5758
NSN 6135-00-377-9165
NSN 6620-01-151-2288
NSN 5960-01-474-4843
NSN 5945-00-237-1348
NSN 5965-01-173-2486