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 5990-01-485-0260
NSN 5855-00-361-0167
NSN 5999-01-614-0925
NSN 5975-01-195-5962
NSN 5920-01-571-8027
NSN 5996-00-795-1187
NSN 5935-01-234-5791
NSN 5915-01-442-9810
NSN 5985-01-605-1831
NSN 5895-01-447-4002
NSN 6685-00-796-1510
NSN 4140-01-270-7464