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 2925-00-233-5644
NSN 5960-01-139-5968
NSN 5920-01-369-1801
NSN 5935-01-489-6183
NSN 6145-01-451-4304
NSN 6610-00-591-3829
NSN 5945-00-138-7909
NSN 5990-01-443-2931
NSN 6130-00-155-2490
NSN 6645-01-060-7988
NSN 6620-01-382-4744
NSN 5895-01-227-7060