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 5996-00-984-7641
NSN 6610-01-200-6861
NSN 6220-01-032-7370
NSN 5910-00-955-2029
NSN 6110-01-269-5943
NSN 6610-01-412-3318
NSN 6645-01-331-5674
NSN 6320-01-425-1417
NSN 5905-01-014-0178
NSN 5960-01-503-0362
NSN 5935-00-478-1079
NSN 6135-01-447-3086