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 5990-01-154-7296
NSN 6105-01-659-1112
NSN 6650-01-579-5711
NSN 6145-01-563-6577
NSN 5990-01-177-2838
NSN 5895-01-431-7349
NSN 6130-01-249-6213
NSN 5990-01-345-1468
NSN 5960-01-039-0093
NSN 6135-01-469-6429
NSN 5950-01-089-8465
NSN 5905-01-152-1874