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 5950-00-356-0217
NSN 6150-00-064-7826
NSN 6320-01-551-3553
NSN 5996-01-358-6528
NSN 5935-01-479-1610
NSN 5925-01-434-1479
NSN 5920-00-427-7267
NSN 5855-01-380-9950
NSN 5985-01-612-5306
NSN 5930-01-017-6971
NSN 5930-00-944-2653
NSN 6620-01-280-9478