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 6610-01-540-8521
NSN 6685-01-634-0611
NSN 6650-01-292-6425
NSN 6105-00-188-8796
NSN 5920-01-123-9358
NSN 5945-01-388-0118
NSN 5960-01-381-2478
NSN 5920-00-407-0310
NSN 5895-01-060-0363
NSN 5999-01-021-5436
NSN 5960-01-356-4429
NSN 5905-00-161-4410