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 5975-00-937-9211
NSN 6150-00-288-6245
NSN 6685-01-461-6385
NSN 6240-01-652-8007
NSN 6685-01-437-6939
NSN 6240-00-136-7168
NSN 5930-01-197-7372
NSN 6685-00-992-6311
NSN 6320-00-925-0558
NSN 6220-01-242-0345
NSN 5996-01-591-3391
NSN 5835-01-034-5206