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 5835-01-068-4214
NSN 2925-01-285-7163
NSN 5960-01-599-9821
NSN 6220-00-156-0860
NSN 5910-01-281-4124
NSN 6320-01-116-3980
NSN 5975-01-141-6889
NSN 6645-01-553-8500
NSN 6110-00-287-7960
NSN 5975-01-634-0678
NSN 5945-01-050-6757
NSN 6240-01-537-1176