Item 1
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 6110-00-663-4054
NSN 5920-00-834-7834
NSN 5930-01-261-0752
NSN 6620-01-133-4193
NSN 5855-01-261-4677
NSN 5910-00-888-9559
NSN 7035-01-068-4175
NSN 6145-01-392-4265
NSN 6130-01-030-1307
NSN 5998-01-462-0439
NSN 6610-00-917-6763
NSN 5998-01-500-0579