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 5835-01-396-0640
NSN 5975-01-023-8773
NSN 5965-00-985-9157
NSN 6685-00-216-6676
NSN 5920-01-207-8309
NSN 5855-00-138-2386
NSN 7035-01-577-0003
NSN 5950-00-572-7784
NSN 5960-01-069-2009
NSN 6650-00-614-1711
NSN 6620-01-648-1594
NSN 2925-00-315-0037