Brunson 521-B Spherical Adapter
    Brunson 521-B Spherical Adapter
Brunson 521-B Spherical Adapter
Brunson 521-B Spherical Adapter
    Brunson 521-B Spherical Adapter
Brunson 521-B Spherical Adapter

About

Product Details

The spherical mount also functions as a target holder for alignments requiring precision target fixtures. It has three radial setscrews at approximately 120 degree intervals, as well as three "axial" setscrews in a line along the length of the sphere. This allows for accurate and flexible target positioning. Often used with our cup mount 560-2. Conforms to all A.I.A. standards. The 2022 is classified as National Stock Number (NSN) 4920-01-013-0448.

Although it may be used in many different mounting configurations, the 521-B Spherical Mount at left is shown holding a 2022 Alignment Telescope in a 5170 base. The highlighted portion shows a 521-B Spherical Mount, a 565 Spring Clamp, and a 560-2 Adjustable Cup Mount.


 

May Be Used With

  • 560-2 Cup Mount with 565 Spring Clamp
  • 705, 705-1, 707 family, 714, and 6130 disk targets
  • 5150 and 5170 Alignment Telescope Bases
  • 5180 Alignment Telescope Base (discontinued)
Specifications
Concentricity of I.D. to O.D. 0.0005" (0.013 mm) TIR maximum. Distance from center of sphere to squared face: 1.000" +0.005" -0.000" (25.4 mm, +0.127 mm -0.000 mm)
Finish Black Oxide
Inside diameter 2.2500" +0.0005" -0.0000 (57.2 mm, +0.013 mm -0.000)
Material Heat-treated Steel
Outside Diameter 3.5000" +0.0005", -0.0000 (88.9 mm, +0.013 mm -0.000)
Weight, Product (Approx.) 3lb, 1.4kg
Brunson | 521-B

Brunson 521-B Spherical Adapter

For alignment telescopes and targets
For alignment telescopes and targets
$1,030.00
$1,030.00
Shipping calculated at checkout.
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