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 6135-01-056-4609
NSN 5835-01-449-7511
NSN 5950-00-170-8477
NSN 5925-00-355-6124
NSN 5960-00-553-7338
NSN 6320-01-339-5351
NSN 5945-00-666-4700
NSN 6685-01-142-1969
NSN 6150-01-115-3889
NSN 6685-01-536-6874
NSN 2925-01-142-0981
NSN 6130-01-237-2358