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 2925-00-388-8932
NSN 6105-01-559-9353
NSN 6110-00-833-2777
NSN 5930-00-247-1530
NSN 6240-01-485-3116
NSN 5985-00-272-7451
NSN 6110-01-227-5465
NSN 5998-00-155-9929
NSN 6645-01-500-0827
NSN 6105-00-387-3762
NSN 6620-00-241-5264
NSN 5990-00-106-6609