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 5960-01-628-2760
NSN 5920-01-162-9156
NSN 6240-01-017-8281
NSN 5920-01-050-7474
NSN 6105-01-582-5537
NSN 6620-01-538-2294
NSN 6150-01-026-7983
NSN 5950-01-251-8935
NSN 5975-01-211-1580
NSN 5935-01-085-5592
NSN 4140-01-584-4243
NSN 5945-00-891-4071