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 5915-00-171-1812
NSN 5925-01-066-6227
NSN 6150-01-377-4037
NSN 7035-01-521-2384
NSN 4140-01-338-2154
NSN 6105-00-537-2098
NSN 6110-00-786-4885
NSN 5975-01-485-2385
NSN 6110-01-438-0550
NSN 5996-00-435-9393
NSN 5930-01-394-5916
NSN 5985-01-618-3369