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 6150-00-190-7874
NSN 5915-01-179-0368
NSN 5960-00-296-1530
NSN 5855-01-279-9938
NSN 5975-01-468-7628
NSN 5985-01-611-5359
NSN 5990-01-548-3711
NSN 6685-00-062-9916
NSN 5950-01-267-7148
NSN 5925-01-188-7630
NSN 6105-01-524-9132
NSN 5895-00-589-8183