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 5960-01-163-6416
NSN 6685-00-537-8751
NSN 6645-01-442-6476
NSN 4140-01-451-2779
NSN 5855-00-991-0096
NSN 6320-01-419-6416
NSN 6645-00-466-0685
NSN 5990-01-633-9503
NSN 5920-00-614-4643
NSN 6240-00-607-4303
NSN 6610-01-133-2602
NSN 5835-01-126-2480