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 6620-00-456-0404
NSN 6110-00-660-6615
NSN 6110-01-391-1887
NSN 6135-01-040-1446
NSN 5965-01-279-1075
NSN 5945-01-213-8166
NSN 5999-01-418-7244
NSN 6220-01-525-2228
NSN 2925-01-480-8273
NSN 6650-00-758-0378
NSN 5985-00-481-1467
NSN 6240-00-318-8800