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 6145-01-392-5960
NSN 5975-00-567-2766
NSN 5960-00-471-6286
NSN 6320-00-731-6134
NSN 5990-01-501-5409
NSN 6650-01-552-0069
NSN 5895-01-360-9929
NSN 5960-01-491-2993
NSN 5930-01-487-0612
NSN 6240-01-043-5308
NSN 5930-01-473-5828
NSN 6685-00-971-2570