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 5945-01-173-8389
NSN 6150-01-618-9704
NSN 6320-01-372-8671
NSN 5960-01-377-1907
NSN 6620-00-533-0536
NSN 5960-00-419-4521
NSN 6240-00-527-8614
NSN 6650-01-216-2707
NSN 6135-01-613-1464
NSN 5960-01-222-4199
NSN 5996-00-064-7228
NSN 6620-01-519-7234