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 4140-01-322-1700
NSN 6685-01-407-4374
NSN 6130-01-152-1189
NSN 5985-00-797-9472
NSN 2925-01-027-1293
NSN 5835-00-602-4750
NSN 5905-00-107-9294
NSN 5835-01-362-1946
NSN 5935-01-600-0194
NSN 6105-00-236-6788
NSN 6685-00-406-8171
NSN 6150-01-194-3940