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 6645-01-308-9349
NSN 6320-00-823-2015
NSN 6145-01-490-6991
NSN 6685-01-424-0497
NSN 5985-00-217-1624
NSN 6240-01-292-1916
NSN 5950-01-076-7515
NSN 5905-00-788-3130
NSN 6685-00-402-2458
NSN 6220-01-577-0041
NSN 6240-01-105-0603
NSN 5990-00-062-9483