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 5998-00-234-1424
NSN 6650-00-185-8344
NSN 6135-00-209-6918
NSN 2925-00-549-4937
NSN 5990-01-507-7495
NSN 2925-01-443-1748
NSN 5950-01-212-6549
NSN 5975-01-360-7387
NSN 5999-01-238-8782
NSN 5895-01-490-3915
NSN 5990-01-651-6364
NSN 5930-01-525-3973