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 5905-00-202-5772
NSN 5935-00-270-1271
NSN 5950-01-474-6085
NSN 5985-01-327-3601
NSN 6135-01-420-4070
NSN 6110-01-369-5561
NSN 6610-00-109-2593
NSN 6610-01-187-0875
NSN 5910-00-253-0716
NSN 5835-00-399-5358
NSN 6135-01-142-6456
NSN 4140-01-446-1022