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 5935-00-372-5261
NSN 6685-01-300-7920
NSN 5910-00-739-3370
NSN 5950-01-378-3096
NSN 6135-00-728-9860
NSN 5999-01-119-4674
NSN 5910-00-835-3700
NSN 7035-00-337-8745
NSN 5999-01-168-8293
NSN 6240-01-103-3081
NSN 6135-01-162-0943
NSN 5835-01-595-4099