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 5895-01-534-4027
NSN 5925-01-171-3534
NSN 5910-00-003-1388
NSN 5930-01-550-2828
NSN 5960-01-416-6187
NSN 5945-01-464-4339
NSN 2925-01-517-8544
NSN 6240-01-601-6427
NSN 5998-01-539-9308
NSN 6145-00-932-0724
NSN 5996-00-969-4216
NSN 5930-01-449-5970