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 5975-01-508-4405
NSN 5950-00-752-5178
NSN 6110-00-679-8961
NSN 6685-01-117-2925
NSN 5930-00-919-4543
NSN 5996-00-846-3300
NSN 5930-01-203-0350
NSN 6220-01-232-4439
NSN 5965-00-028-9646
NSN 5930-01-436-2245
NSN 5999-00-368-4852
NSN 5990-01-572-3137