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 5985-00-905-7167
NSN 4140-01-463-1331
NSN 6240-01-158-0402
NSN 5999-00-350-2135
NSN 6135-01-074-8220
NSN 5930-01-169-8446
NSN 6620-00-155-2608
NSN 5960-00-539-6739
NSN 5975-01-614-2046
NSN 5965-01-322-8136
NSN 5915-00-470-0586
NSN 5920-00-319-4652