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 5930-00-868-4490
NSN 6610-01-599-2491
NSN 5895-01-605-1317
NSN 6620-01-530-5889
NSN 2925-01-330-2988
NSN 5999-01-408-4364
NSN 2925-01-129-1261
NSN 5930-00-481-8298
NSN 6150-01-430-4013
NSN 5990-01-447-7779
NSN 6110-01-030-1264
NSN 5998-01-540-2520