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 5998-01-245-8188
NSN 4140-01-422-0439
NSN 5935-01-394-5348
NSN 5945-00-370-3587
NSN 2925-01-430-4206
NSN 5905-01-519-3946
NSN 5895-01-592-5854
NSN 6320-00-583-3105
NSN 5998-01-527-7345
NSN 5990-01-649-4647
NSN 5855-01-400-1590
NSN 5915-00-579-0618