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 6685-00-540-9017
NSN 5945-00-727-4923
NSN 6685-01-388-7310
NSN 5915-00-905-7791
NSN 6220-01-421-9928
NSN 5950-00-838-2243
NSN 5895-01-179-0679
NSN 5910-01-119-4288
NSN 6645-01-450-7271
NSN 6110-00-159-0755
NSN 6620-01-050-2866
NSN 5975-01-328-9621