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 5999-01-259-4636
NSN 5855-00-472-2055
NSN 6620-01-038-1031
NSN 5910-00-528-9320
NSN 5960-01-231-9119
NSN 5835-01-623-3328
NSN 5975-01-641-9749
NSN 5895-01-622-7884
NSN 5945-00-204-9949
NSN 6220-00-554-5937
NSN 5910-01-351-1449
NSN 6145-00-825-2657