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 6645-00-274-5670
NSN 5925-00-014-6541
NSN 5915-01-565-8637
NSN 5925-01-469-3103
NSN 5945-00-250-5660
NSN 6645-01-228-2127
NSN 6150-00-228-5665
NSN 6150-01-415-5864
NSN 5985-01-547-6134
NSN 5985-01-434-1573
NSN 5855-01-630-5790
NSN 6620-00-086-5223