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 5990-01-336-3976
NSN 6150-01-565-6006
NSN 5855-00-058-1293
NSN 5835-01-432-1277
NSN 5905-01-219-5927
NSN 5935-01-395-0738
NSN 6145-01-395-5112
NSN 5950-00-596-2693
NSN 6150-00-570-4548
NSN 2925-01-074-9102
NSN 6145-00-717-8421
NSN 6240-00-139-5367