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 2925-01-436-7325
NSN 6220-01-428-8944
NSN 6220-01-057-2389
NSN 5910-00-554-1422
NSN 5930-01-218-5750
NSN 6320-01-246-4390
NSN 5975-00-244-2560
NSN 5998-00-899-7002
NSN 5996-00-036-6458
NSN 5960-00-726-9816
NSN 5910-00-280-1463
NSN 5950-01-100-1193