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 6620-01-119-0664
NSN 6135-00-351-8606
NSN 6610-01-229-3679
NSN 5930-00-886-8487
NSN 6220-01-204-8836
NSN 6145-01-052-5203
NSN 6240-01-074-6962
NSN 6135-01-598-9890
NSN 5895-01-553-3761
NSN 5855-01-063-6340
NSN 5975-01-366-1564
NSN 5985-01-025-9711