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 5996-01-252-7939
NSN 6320-00-194-4252
NSN 5925-01-323-6491
NSN 5935-00-834-1495
NSN 6145-01-398-3125
NSN 5895-00-740-0386
NSN 5915-01-069-6822
NSN 6145-00-226-1194
NSN 5910-01-036-1604
NSN 6105-01-165-0393
NSN 6645-00-313-2324
NSN 5985-00-961-6004