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 4140-00-966-5762
NSN 6610-01-171-1058
NSN 5835-00-729-9305
NSN 5950-01-541-4659
NSN 6145-01-432-4394
NSN 5965-01-337-8104
NSN 5975-00-541-8531
NSN 6130-01-546-2495
NSN 6145-01-208-5459
NSN 7035-01-543-4016
NSN 5930-01-473-1359
NSN 6150-00-465-1633