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 5915-01-641-6139
NSN 5990-01-379-2337
NSN 6320-00-313-9114
NSN 6610-00-584-5055
NSN 6620-01-567-8528
NSN 5950-00-767-4129
NSN 5835-01-055-6063
NSN 5975-00-480-0114
NSN 4140-01-207-0452
NSN 7035-01-449-1189
NSN 6220-00-326-5864
NSN 6685-01-532-3197