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 5920-01-137-2410
NSN 5996-01-453-1413
NSN 5905-00-077-2067
NSN 6145-00-534-1412
NSN 6150-01-196-5209
NSN 6240-01-401-5340
NSN 6130-01-317-7529
NSN 5925-01-590-0171
NSN 5930-01-552-8719
NSN 5960-00-090-2991
NSN 6105-01-123-8887
NSN 6150-01-555-9935