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 5835-00-180-7555
NSN 6130-01-556-4260
NSN 5996-01-204-0675
NSN 5855-00-198-3197
NSN 6105-00-044-3269
NSN 6145-01-398-0490
NSN 5965-00-539-4163
NSN 5895-01-094-1712
NSN 5915-01-003-7945
NSN 5910-01-199-0256
NSN 5990-00-972-1404
NSN 6145-00-508-8353