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 5990-01-651-6364
NSN 4140-00-851-2552
NSN 5996-01-229-7434
NSN 5855-01-356-2334
NSN 6650-01-164-5873
NSN 5895-01-144-3567
NSN 7035-01-615-4596
NSN 5855-01-437-6161
NSN 5905-01-448-8392
NSN 5915-01-081-7102
NSN 6240-00-826-4202
NSN 5950-00-551-3105