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 5910-01-398-0621
NSN 2925-01-324-6423
NSN 6220-01-463-7490
NSN 5945-01-621-2751
NSN 5855-00-079-2370
NSN 5990-01-387-6114
NSN 5915-01-058-0847
NSN 5950-00-189-0551
NSN 5950-01-597-9612
NSN 5990-01-529-7307
NSN 5996-00-948-5606
NSN 5990-01-564-6173