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 6685-01-243-1265
NSN 6220-01-634-0660
NSN 6220-00-452-3866
NSN 5915-01-285-5316
NSN 4140-01-166-8505
NSN 5965-00-553-6898
NSN 5960-01-465-6847
NSN 5915-01-555-1385
NSN 5998-01-479-6495
NSN 6105-00-456-7512
NSN 6110-01-618-3559
NSN 5925-01-133-2645