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 5920-00-611-6728
NSN 5990-01-612-5323
NSN 6135-00-812-9039
NSN 5998-01-646-7169
NSN 5960-01-370-4285
NSN 6145-01-145-5177
NSN 7035-01-364-0286
NSN 6240-01-430-4252
NSN 5965-01-191-0735
NSN 2925-01-036-4213
NSN 6620-01-036-6687
NSN 6645-01-475-8283