National Aperture, Inc.

Phone: 800-360-4598 ~  Fax: 603-893-7857

SALES@NATIONALAPERTURE.COM

Standard Precision
Air Slit

standard slits

Substrate Specifications

  • Finish: Unblackened (see options below)

  • Material: 300 series stainless steel or NICo (except for HS option)

  • Diameter: 3/8 inch (0.3753 inch max.), 9.53mm (±0.0127mm)

  • Positional Tolerance: ø.006 inch (0.152mm)

  • Centration: ±0.003 inch (0.076mm)

  • Thickness: 0.0005 inch (12.7µm) on holes 5µm and up.

NOTE: Slits 2.5µm to 3.0µm include the HS option with a 2µm to 5µm thin Ni at the slit region.

Instant Quote Form

Standard Air Slits

AVAILABLE OPTIONS:
(3µm and smaller come with HS)

For Calibration please contact sales

REQUEST A SPECIAL QUOTE

If you need one of the following

  • Unlisted Size

  • Non-standard Substrate

The information contained in this website is subject to change without notice. Critical dimensions or specifications should be verified with our technical support staff.

Aperture Catalog

Aperture Catalog

Aperture Mounts

Mount Example
25mm mount

M - 25
25mm diameter blackened aluminum mount

  • D=24.95mm
  • T=2.54mm
  • ID=7.3mm
  • L= 0.63mm
18mm mount

M - 18
18mm diameter blackened aluminum mount

  • D=17.95mm
  • T=2.54mm
  • ID=7.3mm
  • L= 0.63mm
16mm mount

M - 16
16mm diameter blackened aluminum mount

  • D=15.95mm
  • T=1.8mm
  • ID=4.0mm
  • L= 0.46mm
one inch mount

M - 1
1.0 inch diameter blackened aluminum mount

  • D=0.998in.
  • T=0.100in.
  • ID=0.290in.
  • L= 0.025in.
half inch mount

M - 0.5
0.5 inch diameter blackened aluminum mount

  • D=0.498in.
  • T=0.055in.
  • ID=0.290in.
  • L= 0.018in.
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