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 6110-00-009-6787
NSN 6110-00-987-3675
NSN 6220-01-302-6001
NSN 5960-01-521-5827
NSN 4140-01-634-0330
NSN 5945-01-338-5490
NSN 6650-00-021-9555
NSN 5990-00-562-8413
NSN 6135-00-110-1981
NSN 5960-01-413-3877
NSN 5920-01-656-8142
NSN 6135-01-519-7879