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 5960-01-154-3719
NSN 5990-00-179-2576
NSN 6130-00-197-9371
NSN 5996-00-468-1874
NSN 6650-01-376-1692
NSN 5965-01-188-5849
NSN 6145-01-201-9504
NSN 5950-01-634-0677
NSN 4140-00-986-3361
NSN 5999-01-573-1223
NSN 5920-01-432-2428
NSN 5990-01-512-9129