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 5925-00-356-7742
NSN 5996-01-273-0884
NSN 5905-00-423-0365
NSN 2925-00-671-9561
NSN 4140-01-441-7479
NSN 5915-01-320-0951
NSN 5835-01-023-8733
NSN 6620-00-933-3640
NSN 5920-00-291-1379
NSN 5895-01-478-5147
NSN 6135-00-027-3914
NSN 6135-00-160-7708