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 5975-01-607-0742
NSN 6320-01-252-2307
NSN 6145-00-414-5315
NSN 6105-00-806-2695
NSN 5960-00-104-5955
NSN 6645-01-008-2720
NSN 5855-00-408-2611
NSN 6240-01-596-3183
NSN 5975-01-090-3581
NSN 6240-01-355-0043
NSN 6150-01-552-5697
NSN 6135-01-633-8502