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 4140-00-295-0787
NSN 5935-00-679-0792
NSN 5930-01-590-0698
NSN 5925-00-337-8138
NSN 6620-01-039-5468
NSN 6650-01-015-7111
NSN 5910-01-385-7866
NSN 5960-01-381-2478
NSN 7035-00-574-4223
NSN 6650-01-327-3068
NSN 5999-01-010-1082
NSN 5930-01-452-4528