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 5990-01-093-0836
NSN 6150-01-475-8481
NSN 5905-00-659-0617
NSN 6620-00-185-1671
NSN 6220-01-505-5685
NSN 5855-00-797-8217
NSN 6105-00-501-7681
NSN 6135-00-309-0074
NSN 6620-00-147-3139
NSN 5855-01-463-7372
NSN 6145-01-131-4094
NSN 5855-00-832-9341