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 5985-01-633-3206
NSN 6130-01-025-0523
NSN 6145-00-689-9339
NSN 4140-01-510-1522
NSN 5835-01-050-7882
NSN 6610-01-642-9557
NSN 6150-00-915-8448
NSN 5998-01-398-0051
NSN 6240-00-440-3656
NSN 5945-01-656-1802
NSN 5950-00-951-3129
NSN 5930-01-441-3484