NSN 6685-00-653-8516 149001, 163, 226
Product Details | DIAL INDICATING DIFFERENTIAL GAGE
6685-00-653-8516 An instrument designed to measure air, gas, fluid, and vapor differential by means of a pressure sensitive element(s) which transmits energy, by direct linkage, to the indicating pointer of a scale calibrated to units of pressure. The scale may indicate in units of pressure, quantity, or flow.
Part Alternates: 149001, 163, 226, 6685-00-653-8516, 00-653-8516, 6685006538516, 006538516
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 1963 | 00-653-8516 | 62209 ( GAGE, DIFFERENTIAL, DIAL INDICATING ) |
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Technical Data | NSN 6685-00-653-8516
| Characteristic | Specifications |
|---|---|
| ACTUATION TYPE | DOUBLE BELLOWS |
| ACTUATING ELEMENT MATERIAL | BERYLLIUM COPPER |
| SCALE TYPE | SINGLE AND DIAL |
| SCALE NAME | POUNDS PRESSURE |
| SCALE RANGE | 0.0 TO 50.0 POUNDS PRESSURE PER SQUARE INCH |
| SCALE ACCURACY | 0.5 PCT ENTIRE RANGE |
| GRADUATION UNIT | 5.0 POUNDS PER SQUARE INCH |
| SCALE SMALLEST INCREMENT | 0.5 POUNDS PER SQUARE INCH |
| SCALE INSCRIPTION/BACKGROUND COLOR | WHITE FIGURES ON BLACK BACKGROUND |
| DIAL SIZE | 3 IN.DIA |
| SCALE MARKING | INCHES OF WATER |
| POINTER TYPE | INDICATING |
| ADJUSTABILITY | ADJUSTABLE |
| POINTER COLOR | WHITE |
| CASE MATERIAL | ALUMINUM, DIE CAST |
| CASE SURFACE TREATMENT | ENAMEL, BLACK |
| OVERALL WIDTH | 4.125 INCHES NOMINAL |
| OVERALL HEIGHT | 3.250 INCHES NOMINAL |
| OVERALL DEPTH | 4.188 INCHES NOMINAL |
| PROTECTIVE CRYSTAL MATERIAL | GLASS |
| CONNECTION QUANTITY | 4 |
| CONNECTION TYPE | INTERNAL |
| CONNECTION LOCATION | UPPER AND LOWER |
| CONNECTION SIZE | 0.500 IN.NPT DIA; 0.250 IN.NPT DIA |
| MOUNTING METHOD | FLUSH PANEL OR BRACKET AND STUD |
| BOLT CIRCLE DIAMETER | 3.500 INCHES NOMINAL |
| MOUNTING HOLE QUANTITY | 4 |
| MOUNTING HOLE DIAMETER | 0.169 INCHES NOMINAL |
| CONNECTOR TYPE VENT | PROVIDED |
| SPECIAL FEATURES | 3000 PSI RATED STEEL HOUSING |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | SINGLE READING SCALE,CONNECTION DATA AND SPECIAL FEATURES |
| MANUFACTURERS CODE | 05991 |
| DESIGN CONTROL REFERENCE | 226 |
Restrictions/Controls & Freight Information | NSN 6685-00-653-8516
| 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.) |
| 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. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 121570 | GAGES AIR LIQUID LEVEL PRESSURE |
| Less than car load rating | J | 100.2 |
| Less than truck load rating | J | 100.2 |
| Water commodity Code | 653 | 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 | ||
| Air Special Handling | Q | Extremely fragile items including delicate instruments. |
| Special Handling Code | Q | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |



