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 2925-01-424-0235
NSN 6320-01-246-4390
NSN 5895-00-246-4415
NSN 6135-01-528-6896
NSN 5985-01-252-8822
NSN 5990-00-079-5406
NSN 5915-00-850-0215
NSN 5915-00-760-5660
NSN 5835-01-120-5079
NSN 5930-00-786-4040
NSN 6130-00-135-3376
NSN 5996-01-255-3281