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 5999-00-230-1216
NSN 5925-01-382-9313
NSN 5990-01-514-8708
NSN 5975-01-539-9541
NSN 6650-01-252-8190
NSN 6610-00-942-7272
NSN 6145-00-009-0619
NSN 6105-00-406-3097
NSN 6650-01-499-7471
NSN 5996-01-659-8177
NSN 5910-01-650-8609
NSN 5960-01-553-4557