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 5960-00-281-0824
NSN 2925-00-251-0105
NSN 5998-00-417-9753
NSN 6135-01-190-2628
NSN 6150-00-217-7198
NSN 5999-01-420-3453
NSN 5975-01-544-4806
NSN 5975-01-573-1779
NSN 7035-01-333-9298
NSN 5835-01-296-3790
NSN 6135-01-495-0933
NSN 6320-00-701-0437