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 5915-01-316-1990
NSN 6650-00-059-6268
NSN 5915-01-247-6287
NSN 5996-01-086-5903
NSN 6150-01-102-0792
NSN 5960-01-481-3722
NSN 6145-00-952-1815
NSN 6685-01-442-2593
NSN 6620-01-551-7071
NSN 5915-00-070-6131
NSN 5920-01-582-3673
NSN 5990-01-489-0366