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 5920-01-512-4191
NSN 6610-00-919-2740
NSN 5998-01-050-3588
NSN 5925-01-465-0589
NSN 5990-00-809-5286
NSN 6150-01-494-5185
NSN 5925-01-455-0630
NSN 5960-00-615-9972
NSN 6105-00-187-6070
NSN 5835-01-548-7454
NSN 5996-01-158-9695
NSN 6645-01-620-4837