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 5975-00-079-9028
NSN 5930-01-571-7193
NSN 5965-01-430-4654
NSN 6620-01-519-2628
NSN 5998-01-506-9880
NSN 6145-01-527-0953
NSN 5999-01-210-1688
NSN 5945-00-490-3696
NSN 5985-01-219-1017
NSN 6110-00-456-2058
NSN 5910-01-504-2305
NSN 6650-01-328-8363