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 6240-01-285-0927
NSN 5985-01-352-0190
NSN 5930-00-905-8590
NSN 5999-01-528-3251
NSN 6135-01-508-6083
NSN 5965-01-048-4767
NSN 5975-01-431-6952
NSN 5855-00-323-0967
NSN 6145-01-513-1323
NSN 6240-00-353-5753
NSN 5930-01-317-3210
NSN 4140-00-988-8632