scope:

This specification covers design and performance requirements for one type of pressure altitude indicator having a range of 0 to 50,000 feet.

The following documents of the issue in effect on date of invitation for bids or request for proposal form a part of the specification to extent specified herein.

* SPECIFICATIONS Federal DD-G-451 Glass, Flat and Corrugated, for Glazing, Mirrors, and Other Uses QQ-P-416 Plating, Cadmium (Electrodeposited) Military MIL-P-116 Preservation, Methods of MIL-D-1000/1 Drawings, Engineering and Associated Data MIL-E-5272 Environmental Testing, Aeronautical and Associated Equipment, General Specification for MIL-C-5541 Chemical Films and Chemical Film Materials for Aluminum and Aluminum Alloys SPECIFICATIONS Military (Continued) MIL-S-7742 Screw Threads, Standard, Optimum Selected Series, General Specification for MIL-A-8625 Anodic Coatings, for Aluminum and Aluminum Alloys STANDARDS Federal FED-STD-595 Colors Military MIL-STD-130 Identification Marking of U. S. Military Property MIL-STD-143 Specifications and Standards, Order of Precedence for the Selection of MIL-STD-454 Standard General Requirements for Electronic Equip- ment MIL-STD-781 Reliability Tests Exponential Distribution MIL-STD-785 Requirements for Reliability Program (for Systems and Equipments) MIL-STD-794 Parts and Equipment, Procedures for Packaging and Packing of MIL-STD-859 Standard Calibration Table for Aeronautical Pressure Measuring Equipment MS28105 Window, Dial-Aircraft Instrument Cover, Glass MS33558 Numerals and Letters, Aircraft Instrument Dial, Standard Form of MS33585 Pointers, Dial, Standard Design of Aircraft Instrument MS33586 Metals, Definition of Dissimilar STANDARDS Military (Continued) MS33638 Cases, Instrument, Flange-Mounted, Aircraft MS33649 Bosses, Fluid Connection - Internal Straight Thread MS33737 Nuts, Self-Locking, Clip-in Type, Instrument Mounting

(Copies of specifications, standards, drawings, and publications required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.)

intended Use:

The indicator covered by this specification is intended for use in aircraft equipped with pressurized cabins to indicate the air pressure altitude in the cabins.