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 5975-00-931-4820
NSN 6240-01-650-5348
NSN 5835-01-509-8992
NSN 6135-01-220-7193
NSN 5920-01-574-1689
NSN 5895-01-010-4164
NSN 6240-01-067-6457
NSN 6135-00-862-5736
NSN 7035-00-096-9986
NSN 5975-01-526-4583
NSN 6610-01-170-7107
NSN 5960-00-059-7010