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 2925-01-218-5556
NSN 6220-01-183-4557
NSN 6610-00-239-2397
NSN 6650-01-451-8461
NSN 5920-01-448-9208
NSN 5905-01-029-2213
NSN 5855-00-221-9435
NSN 5945-01-156-7745
NSN 5999-01-367-2843
NSN 5996-01-212-3066
NSN 5990-00-800-2521
NSN 5925-01-090-8657