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 5990-01-147-5225
NSN 6110-01-416-6306
NSN 7035-01-451-3328
NSN 5835-01-105-6545
NSN 5990-01-116-2181
NSN 5998-01-490-6259
NSN 5998-01-257-3083
NSN 6610-01-171-3010
NSN 5975-01-471-0528
NSN 6145-00-074-8778
NSN 5996-00-386-2236
NSN 5990-01-389-1196