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 4140-00-570-6545
NSN 6145-01-110-7580
NSN 6240-01-051-6720
NSN 5855-01-354-7291
NSN 6130-01-004-0723
NSN 5855-00-962-5792
NSN 5996-00-296-0781
NSN 5895-01-443-0982
NSN 6105-01-521-3582
NSN 5960-01-123-3313
NSN 6145-01-103-0025
NSN 5915-01-534-2208