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 5910-01-278-3415
NSN 4140-01-231-2286
NSN 5910-01-322-5964
NSN 5935-01-611-1223
NSN 5985-01-032-7911
NSN 6240-01-053-0666
NSN 5920-01-560-1678
NSN 5990-01-426-7350
NSN 5925-01-629-7248
NSN 7035-01-594-9198
NSN 5975-00-016-9774
NSN 5999-01-603-1809