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 6110-01-196-2139
NSN 6220-01-592-6113
NSN 5915-01-186-6464
NSN 5999-01-630-4422
NSN 6150-01-010-7011
NSN 5835-01-014-4574
NSN 5930-00-166-0361
NSN 2925-01-063-7876
NSN 6240-00-783-2853
NSN 6645-01-348-8146
NSN 5990-00-223-5938
NSN 5990-01-532-0670