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 5996-01-652-8633
NSN 5960-00-187-0429
NSN 5975-01-250-9605
NSN 6130-00-759-8134
NSN 6135-01-539-7076
NSN 6320-01-607-1491
NSN 6145-00-648-2726
NSN 4140-01-183-8348
NSN 6130-01-336-0936
NSN 6130-01-193-7934
NSN 5960-01-357-1261
NSN 6110-01-279-6470