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 5920-01-243-3634
NSN 5915-00-925-2513
NSN 6110-01-007-1204
NSN 5998-01-541-0579
NSN 5930-01-443-7772
NSN 6620-00-127-0816
NSN 5990-00-934-3145
NSN 6145-01-033-9707
NSN 6105-01-137-6000
NSN 5996-01-510-3257
NSN 5999-00-695-0339
NSN 5996-01-081-2102