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 5915-01-555-8751
NSN 6145-00-607-1892
NSN 7035-01-445-3563
NSN 5835-01-392-7683
NSN 5965-00-193-2406
NSN 5925-01-333-2419
NSN 2925-01-318-8853
NSN 5985-00-135-2238
NSN 6150-01-400-4211
NSN 6150-01-158-4192
NSN 6620-01-426-2220
NSN 5930-01-215-4037