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 6240-01-230-8070
NSN 5915-01-188-1569
NSN 6220-01-406-5351
NSN 5950-01-391-8126
NSN 5910-01-429-6721
NSN 5960-01-054-8253
NSN 6105-01-418-0824
NSN 5990-00-594-7291
NSN 7035-01-201-7152
NSN 6685-01-465-9760
NSN 7035-01-633-9537
NSN 5905-01-507-3995