Norpin Standard Arinc Specifications

Standard Catalog Enclosures are plain and without surface finishes.

Any enclosure height within the range of Minimum & Maximum Height listed below is available without additonal modifications.

Additional modification services, surface finishes & materials are available upon request.

Standard Arinc-StyleSpecifications
NORPIN PART NUMBERNA305.5-331-ARINC
OUTER WIDTH - W3.175 in
80.645 mm
OUTER LENGTH - L3.968 in
100.7872 mm
MINIMUM HEIGHT - H1.000 in
25.4 mm
MAXIMUM HEIGHT - H6.375 in
161.925 mm
BOTTOM RADIUS- BR
*Inside Dimension		0.109 in
2.7686 mm
SIDE RADIUS - SR
*Inside Dimension		0.125 in
3.175 mm
MATERIAL THICKNESS - T0.050 in
1.27 mm
STANDARD TOLERANCES - W, L & H±0.015 in
±0.381 mm
AVAILABLE MATERIALS
*Additional Thicknesses Available
  • Aluminum
  • Brass
  • Copper
  • Cold Rolled Steel
  • Stainless Steel
  • Other materials available upon request.
COVER/LID TYPESN/A
VALUE ADDED SERVICES AVAILABLE
  • CNC Machining
  • Punching
  • Hardware & Flange Installation
  • Full Line of Surface Finishes Available
  • Additional Precision Fabricated Parts
  • Tooling at little to no cost
  • Welding & Brazing
  • Annealing & Heat Treating
  • Abrasive Blasting & Bead Blasting
  • Fluorescent Penetrant Inspection
SURFACE FINISHING SERVICES
  • Chromic Anodize Type 1
  • Sulfuric Anodize Type 2
  • Hardcoat Anodize Type 3
  • Conversion Coatings
  • Brush Cadmium Plate
  • Chromate of Magnesium
  • Nickel Plate(Sulfamate)
  • Nickel Cadmium Plate
  • Silver Plate
  • Zinc Plating
  • Tin Plate (Bright)
  • Cadmium Plate
  • Passivation
  • Copper
  • Paint & Primers
  • Powder Coating
  • Silk Screening
  • Laser Etching