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 5960-01-564-5044
NSN 5965-01-371-1297
NSN 5996-01-621-7893
NSN 6110-01-224-2097
NSN 4140-01-046-1530
NSN 5985-00-946-6797
NSN 5920-01-212-1536
NSN 6220-01-141-0180
NSN 5998-01-455-5918
NSN 6645-00-085-7603
NSN 5930-00-562-3610
NSN 6150-01-534-2134