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 6105-00-248-5772
NSN 5895-01-634-0630
NSN 4140-00-729-6852
NSN 5895-01-045-4442
NSN 5985-00-017-9690
NSN 5975-00-064-8685
NSN 5945-00-219-8757
NSN 6110-01-025-6139
NSN 6220-01-128-5814
NSN 5975-00-003-0933
NSN 5855-00-149-0766
NSN 5855-00-237-4088