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 6685-01-487-4976
NSN 6220-00-147-0035
NSN 6620-01-487-7435
NSN 6650-00-710-8130
NSN 5990-00-263-1289
NSN 6145-01-026-1083
NSN 5996-01-550-8867
NSN 6650-00-680-9595
NSN 5895-01-501-5548
NSN 5915-01-461-8233
NSN 5945-01-099-5155
NSN 5935-00-964-9375