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 6240-01-218-5187
NSN 5910-00-392-6822
NSN 6110-01-660-3102
NSN 6145-01-391-4113
NSN 5975-01-063-7577
NSN 6135-00-243-8330
NSN 5985-01-287-6228
NSN 5915-00-988-6186
NSN 5895-01-630-5811
NSN 6240-00-185-8367
NSN 6650-01-033-6667
NSN 5975-01-211-1955