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 6135-01-222-0703
NSN 6610-01-102-2256
NSN 5985-01-571-7480
NSN 7035-01-199-6915
NSN 6145-01-262-7938
NSN 6220-00-379-4044
NSN 6150-00-490-6081
NSN 6220-01-189-4112
NSN 5975-01-524-5143
NSN 5998-00-581-3867
NSN 5998-01-481-3710
NSN 5990-01-522-6096