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 6145-01-623-7251
NSN 5999-01-504-1298
NSN 6645-01-484-1858
NSN 6650-00-947-4380
NSN 5990-01-219-2703
NSN 5925-01-175-3419
NSN 5998-01-597-1067
NSN 6220-01-271-6121
NSN 6610-00-763-2415
NSN 6645-01-487-2052
NSN 6620-01-471-8128
NSN 5950-00-918-2132