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 5945-00-256-9320
NSN 5920-01-158-9125
NSN 6650-00-111-3399
NSN 6135-01-026-9960
NSN 5950-01-370-0313
NSN 6240-01-246-1896
NSN 4140-01-497-1840
NSN 5855-01-429-8702
NSN 5835-01-565-3411
NSN 6150-00-269-5017
NSN 6135-01-512-8740
NSN 5960-01-487-6436