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 6110-00-458-2083
NSN 5950-00-534-7533
NSN 6320-01-176-8367
NSN 5998-01-420-3817
NSN 6645-00-521-0353
NSN 5855-00-327-2112
NSN 5996-00-630-9594
NSN 6620-01-487-7435
NSN 6610-01-592-1551
NSN 6685-01-587-2942
NSN 5835-01-257-0154
NSN 5930-00-629-0025