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 6240-01-487-6459
NSN 2925-01-611-2423
NSN 5925-01-371-3378
NSN 6130-00-538-9798
NSN 6620-00-654-3738
NSN 5855-01-287-1515
NSN 5999-01-634-0576
NSN 5835-00-395-9190
NSN 5996-00-079-1268
NSN 6130-01-648-5273
NSN 5998-00-291-4889
NSN 5985-01-523-4681