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 6130-01-428-2555
NSN 5835-00-468-3367
NSN 5895-00-811-4300
NSN 4140-01-613-0283
NSN 5935-00-276-3587
NSN 5998-00-554-9725
NSN 2925-01-439-2650
NSN 5965-01-414-2257
NSN 5975-00-457-0611
NSN 6320-01-643-0850
NSN 5950-00-794-9949
NSN 6105-01-129-2444