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 5915-01-187-0728
NSN 6135-01-553-3604
NSN 6320-01-006-6138
NSN 6610-01-141-9979
NSN 5960-00-211-2105
NSN 2925-00-456-7627
NSN 6620-01-341-8372
NSN 5945-00-995-0028
NSN 5999-01-089-8612
NSN 5990-01-254-3197
NSN 5950-00-418-9918
NSN 4140-01-265-0731