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 6620-00-103-6603
NSN 2925-00-233-5644
NSN 5835-01-604-6337
NSN 5855-01-228-0942
NSN 5985-01-134-2595
NSN 5999-01-382-7591
NSN 2925-01-570-8065
NSN 4140-01-634-0330
NSN 5985-01-202-6463
NSN 5950-01-204-6152
NSN 6240-01-462-1874
NSN 5835-00-554-0399