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 5915-00-456-0873
NSN 6110-01-207-2748
NSN 5998-01-124-0945
NSN 6220-01-482-1443
NSN 6130-01-633-3044
NSN 6110-01-438-8071
NSN 6145-01-110-2746
NSN 6610-00-031-1206
NSN 6610-01-429-7267
NSN 5930-01-255-1993
NSN 5855-01-564-2044
NSN 4140-00-621-9226