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 5920-00-681-6464
NSN 5975-00-754-4142
NSN 6145-01-184-2795
NSN 4140-01-559-6034
NSN 6135-01-054-2462
NSN 6650-01-310-7403
NSN 5960-01-422-3269
NSN 5996-01-277-6715
NSN 5990-01-487-0871
NSN 6150-01-444-1487
NSN 5945-00-758-1969
NSN 5950-01-418-6197