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 4140-00-104-7323
NSN 6240-01-200-7937
NSN 5975-01-199-3221
NSN 5925-01-004-6307
NSN 6220-00-686-5328
NSN 4140-00-451-2195
NSN 5999-00-303-9941
NSN 6240-00-260-0399
NSN 6150-00-398-6527
NSN 5925-01-131-5869
NSN 5996-01-373-3436
NSN 6105-01-534-2282