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 6150-00-052-6559
NSN 5960-00-903-6307
NSN 5910-01-059-1958
NSN 5905-01-422-3229
NSN 6620-01-230-0197
NSN 5855-01-452-8512
NSN 5960-00-455-9218
NSN 6130-00-407-0644
NSN 6240-00-816-6749
NSN 5910-01-328-7909
NSN 5998-01-179-7821
NSN 5920-01-462-0055