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 5910-01-422-9760
NSN 6220-01-376-1507
NSN 5920-00-156-4482
NSN 7035-01-295-1609
NSN 6135-01-184-0727
NSN 5915-01-428-4187
NSN 7035-00-205-1932
NSN 5960-00-591-2235
NSN 5990-01-317-9297
NSN 5835-00-257-2852
NSN 6110-01-517-1501
NSN 6645-00-064-9839