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 6610-01-163-4551
NSN 6240-01-181-9565
NSN 5855-01-510-9416
NSN 5998-00-840-5463
NSN 6105-01-341-9122
NSN 5975-00-003-4899
NSN 2925-01-043-9786
NSN 5975-01-503-8584
NSN 5965-01-162-4118
NSN 6240-00-122-6697
NSN 6685-01-641-3574
NSN 6145-01-355-8873