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 4140-01-041-8896
NSN 4140-00-074-2389
NSN 5950-00-290-8090
NSN 5930-01-222-7257
NSN 5855-00-014-5008
NSN 6645-01-443-1103
NSN 5985-00-492-5365
NSN 5985-01-626-4407
NSN 5960-00-315-0358
NSN 5920-01-013-8594
NSN 2925-01-468-7073
NSN 5950-01-360-7057