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 6135-01-590-8320
NSN 4140-01-290-8033
NSN 5960-01-015-8655
NSN 5925-00-144-0482
NSN 5998-00-907-3128
NSN 5950-00-831-6139
NSN 5835-01-186-4961
NSN 5998-01-173-2778
NSN 5910-01-063-5897
NSN 6145-01-222-0907
NSN 5999-01-504-4931
NSN 6105-01-647-8770