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 5999-00-933-0498
NSN 6620-01-014-7192
NSN 5985-01-549-1952
NSN 5990-01-468-1292
NSN 4140-00-354-0400
NSN 6220-01-447-7841
NSN 5895-01-317-3713
NSN 6110-00-836-3324
NSN 6645-01-487-4341
NSN 6220-00-339-5263
NSN 5996-00-848-9090
NSN 6610-01-655-9975