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 5915-01-286-2158
NSN 6220-01-500-9927
NSN 5855-01-027-1571
NSN 5915-01-073-6753
NSN 5835-00-406-8460
NSN 6145-01-429-3108
NSN 5835-01-531-0379
NSN 6135-01-483-5269
NSN 6620-00-725-7289
NSN 5905-00-341-2006
NSN 6685-01-607-6481
NSN 6105-00-740-7757