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 6620-01-240-3361
NSN 5990-01-411-5930
NSN 6135-01-215-1245
NSN 5998-01-088-4915
NSN 6130-01-202-8025
NSN 6135-00-452-2266
NSN 6620-01-156-8217
NSN 4140-01-420-4586
NSN 5855-01-369-4192
NSN 5999-01-065-9401
NSN 5930-00-763-6124
NSN 5985-00-359-3270