SKU: AR7510

Piano Hinged 3-Ring Archival Binder, 3” Spine

Piano Hinged 3-Ring Archival Binder, 3” Spine

The Piano Hinged 3-Ring Archival Binder is the ideal solution for long term storage, well made with a heavy-duty hardboard cover, metal piano hinges, and a metal-reinforced back. A rounded 3-ring piano hinge mechanism is equipped with a “zig-zag” style ring that forms a complete circle ensuring pages never snag with frequent use, and holds contents tightly in place. This catalog binder holds its shape even when subjected to consistent, long term, and rough use.

This product is identical to the Loose-leaf Binder National Stock Number NSN 7510-00-579-2751 Defense Logistics Agency.


  • Heavy-duty hardboard exterior provides protection and durability
  • Metal piano hinges make for durable long term use
  • Unique snag-free "zig-zag" style rings allows the ring to form a complete circle from one end to the other
  • Made in the U.S.A.


  • Spine Width: 3"
  • 2” Rings
  • Binder Dimensions: 11.5” H x 11.5” W x 3” D
  • Fits U.S. Letter-Size, 8.5" x 11" Paper
  • Sheet Capacity: approximately 350 sheets
  • U.S. Ring Spacing