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 5985-01-055-9698
NSN 5975-01-038-8707
NSN 6145-01-435-3202
NSN 6240-00-450-0675
NSN 6645-00-171-9639
NSN 5895-01-391-7401
NSN 6645-01-032-5337
NSN 5895-01-534-6852
NSN 6150-01-464-4495
NSN 6645-01-152-5207
NSN 6110-01-045-4160
NSN 5975-01-202-4426