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 6620-01-238-8666
NSN 6145-01-102-5698
NSN 5910-01-204-6611
NSN 6645-00-376-4829
NSN 5950-00-951-6470
NSN 5925-00-256-3486
NSN 5895-01-357-6149
NSN 6645-01-352-6583
NSN 5990-00-327-4006
NSN 5990-01-200-6711
NSN 5999-00-262-0828
NSN 5945-01-068-3503