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 5905-01-174-1551
NSN 6145-01-516-6203
NSN 5998-00-597-7175
NSN 6645-01-362-0596
NSN 5975-01-200-7710
NSN 5855-01-591-0466
NSN 5996-00-288-1829
NSN 5996-00-848-9090
NSN 6240-01-415-5581
NSN 6610-00-536-4977
NSN 4140-01-627-2540
NSN 5990-00-220-5689