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 5930-01-279-7272
NSN 2925-01-380-0869
NSN 5895-01-142-9265
NSN 5960-00-880-0457
NSN 6320-00-394-8458
NSN 5965-01-607-5753
NSN 6620-01-633-8443
NSN 2925-00-199-9439
NSN 5960-01-328-5887
NSN 5930-01-285-7645
NSN 6110-01-633-5378
NSN 5855-00-288-1408