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 5920-01-634-0250
NSN 6105-01-381-2496
NSN 5999-00-457-5794
NSN 5935-01-048-0092
NSN 6135-01-328-6583
NSN 5996-01-014-1703
NSN 5996-01-420-6231
NSN 6135-01-056-4609
NSN 5935-00-814-0585
NSN 6150-01-020-7824
NSN 5965-00-439-6287
NSN 5920-01-146-1290