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 5998-00-844-8867
NSN 5985-01-035-8418
NSN 5920-00-826-9035
NSN 6220-01-121-6572
NSN 6220-01-014-7207
NSN 5950-01-165-7089
NSN 6650-00-461-4717
NSN 5915-01-288-0432
NSN 5910-00-283-9783
NSN 5996-00-754-2840
NSN 5930-01-328-6283
NSN 6220-01-188-6962