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 6220-01-388-7191
NSN 5835-01-281-7281
NSN 5996-01-658-0704
NSN 6135-00-351-8606
NSN 6130-01-438-9437
NSN 6105-00-265-7545
NSN 6145-00-162-1222
NSN 6320-01-425-1417
NSN 6150-01-070-9797
NSN 5945-00-179-8368
NSN 2925-00-802-9387
NSN 6620-00-139-6498