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 6150-00-212-3975
NSN 6135-01-471-7325
NSN 5910-00-238-5657
NSN 7035-01-187-4286
NSN 5835-01-644-8013
NSN 5895-01-115-5325
NSN 4140-00-289-9263
NSN 6130-01-102-6812
NSN 5975-01-353-1440
NSN 5855-01-507-7394
NSN 6135-01-595-4779
NSN 5895-01-541-9340