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 5960-01-605-9921
NSN 5925-01-525-7694
NSN 5945-00-713-0070
NSN 2925-00-010-2632
NSN 5960-01-067-4604
NSN 5985-01-588-2492
NSN 6130-01-520-8588
NSN 5835-00-789-1454
NSN 5985-00-339-8323
NSN 6135-01-570-4284
NSN 5975-01-501-5892
NSN 5920-00-779-0827