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 5975-01-525-6944
NSN 6150-01-659-1070
NSN 5855-01-147-3262
NSN 5975-00-152-9932
NSN 6105-00-099-8818
NSN 4140-01-441-9170
NSN 6320-00-925-0558
NSN 5998-01-157-7947
NSN 5935-01-193-3992
NSN 5960-01-495-0859
NSN 6240-01-281-1232
NSN 5965-01-449-2239