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 4140-00-498-6867
NSN 6645-01-569-0491
NSN 6220-00-548-0348
NSN 5910-01-521-4415
NSN 5998-01-231-9817
NSN 6220-01-477-4905
NSN 6105-01-226-3015
NSN 5990-01-051-8304
NSN 6135-00-990-1822
NSN 5855-01-291-6790
NSN 2925-01-467-1192
NSN 5945-01-567-4244