NSN 6685-00-853-3488 AAU-3/A, AAU3A, CP1AAU3A
Product Details | PRESSURIZED COMPARTMENT ALTIMETER
6685-00-853-3488 A self-contained aneroid instrument designed specifically for use in a pressurized compartment of an aircraft to provide an indication of pressure in feet altitude.
Part Alternates: AAU-3/A, AAU3A, CP1AAU3A, MILA25933, 6685-00-853-3488, 00-853-3488, 6685008533488, 008533488
Instruments and Laboratory Equipment | Pressure, Temperature, and Humidity Measuring and Controlling Instruments
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | 01 JAN 1962 | 00-853-3488 | 03387 ( ALTIMETER, PRESSURIZED COMPARTMENT ) |
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Related Products | NSN 6685-00-853-3488
Technical Data | NSN 6685-00-853-3488
| Characteristic | Specifications |
|---|---|
| SCALE QUANTITY | 1 |
| SCALE NAME | CABIN PRESSURE ALTITUDE |
| SCALE RANGE | 0/50000 FEET |
| SCALE SMALLEST INCREMENT GRADUATION | 1000 FEET |
| SCALE MARKING AND SURFACE FINISH | LETTERS NONLUMINOUS NUMERALS NONLUMINOUS LINED INCREMENTS NONLUMINOUS |
| NONLUMINOUS SCALE MARKING AND COLOR | LETTERS WHITE NUMERALS WHITE LINED INCREMENTS WHITE |
| POINTER COLOR | WHITE |
| OVERALL LENGTH | 2.185 INCHES NOMINAL |
| OVERALL WIDTH | 2.375 INCHES NOMINAL |
| OVERALL DIAMETER | 2.180 INCHES NOMINAL |
| OVERALL HEIGHT | 2.375 INCHES NOMINAL |
| OVERALL DEPTH | 1.750 INCHES NOMINAL |
| MOUNTING METHOD | BEZEL |
| CONTACT TYPE | PIN |
| ELECTRICAL CONNECTION IDENTIFYING NUMBER | DM5600-3P OR EQUIVALENT |
| MECHANICAL CONNECTION QUANTITY | 1 |
| MECHANICAL CONNECTION SIZE | 7/16-20 UNF PER MS33649-4 |
| MECHANICAL CONNECTION TYPE | INTERNAL UNF BOSS |
| SPECIAL FEATURES | 2 INCH DIAL FACE, ANTI-REFLECTION COATING, 5 VAC/DC LIGHTING CIRCUIT PER MIL-L-27160 AND MIL-L-25467, AND INSTRUMENT CASE PER MS33638 |
| SPECIFICATION/STANDARD DATA | 81349-MIL-A-25933 GOVERNMENT SPECIFICATION AND 98810-24194 MANUFACTURERS SPECIFICATION |
| NONDEFINITIVE SPEC/STD DATA | AAU-3A/A TYPE |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MILA25933 |
Restrictions/Controls & Freight Information | NSN 6685-00-853-3488
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | P | There is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product |
| Demilitarization Code: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| Electro-static Discharge Susceptible: | A | No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| NMF Description | 058240 | RECORDING DEVICES GAUGES/METERS NOI |
| Less than car load rating | D | 200 |
| Less than truck load rating | F | 150.0 |
| Water commodity Code | 652 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | V | Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |