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 5920-00-276-8657
NSN 5920-01-346-7488
NSN 5915-01-260-6453
NSN 5985-00-231-3195
NSN 6110-01-229-5792
NSN 5910-01-514-0041
NSN 5950-01-264-5429
NSN 6110-01-320-9066
NSN 5905-00-618-1611
NSN 5996-01-129-4873
NSN 6220-01-096-1049
NSN 6320-01-484-7734