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 5990-01-360-0415
NSN 5990-01-517-7848
NSN 5930-01-013-9251
NSN 5975-01-599-7092
NSN 5960-01-170-4057
NSN 5925-00-474-5401
NSN 2925-00-408-9829
NSN 5855-00-688-9954
NSN 6220-01-492-9403
NSN 6130-01-555-8062
NSN 5998-01-408-2576
NSN 5915-01-441-2238