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 5855-01-378-9048
NSN 4140-00-833-6239
NSN 6150-01-306-2943
NSN 5975-01-602-9402
NSN 6685-01-595-6905
NSN 7035-00-543-3272
NSN 5895-01-447-6960
NSN 6220-01-467-2541
NSN 6110-01-084-6013
NSN 5960-01-413-3877
NSN 6610-00-432-7162
NSN 6610-00-582-1107