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 6110-00-155-4303
NSN 5998-00-257-4870
NSN 6135-00-968-8594
NSN 5996-00-776-0164
NSN 6105-00-928-4092
NSN 5945-01-545-8594
NSN 5960-01-564-5044
NSN 6145-01-302-3916
NSN 5935-01-150-9767
NSN 2925-01-250-2731
NSN 5920-00-584-4592
NSN 5990-01-285-1868