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 5996-01-392-4659
NSN 6610-01-145-2569
NSN 5985-00-827-4171
NSN 6320-00-139-1090
NSN 6650-01-234-4378
NSN 6135-00-728-9860
NSN 4140-01-543-1658
NSN 6240-01-431-5790
NSN 5935-01-090-7665
NSN 6645-00-372-2618
NSN 6150-01-320-3375
NSN 6145-00-975-4457