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 5855-01-430-0132
NSN 6135-01-511-1975
NSN 5998-01-380-5085
NSN 5975-01-441-2181
NSN 5998-01-261-5457
NSN 5905-01-621-7643
NSN 5945-00-326-1839
NSN 6240-00-959-7025
NSN 6610-01-585-9255
NSN 5985-00-942-1154
NSN 5960-00-675-0107
NSN 5905-00-584-8447