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 5925-01-341-8166
NSN 5990-00-889-9634
NSN 6610-01-522-9882
NSN 5915-01-505-8202
NSN 6620-01-043-2595
NSN 6135-01-419-2233
NSN 5910-00-212-5969
NSN 5915-01-297-2872
NSN 6150-01-111-2412
NSN 5910-01-063-5897
NSN 5930-01-400-6126
NSN 6650-01-422-1037