The Voltmeter, cataloged under National Stock Number 6625-00-585-4950, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Westinghouse Electric Corp. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-585-4950 |
| Primary Part Number | 1957438 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Circuit Attachment Method and Quantity | 3 SOLDER STUD |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 4.560 INCHES NOMINAL IN |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Mounting Stud Length | 0.870 INCHES NOMINAL IN |
| Accuracy in Percent | -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR ALL RANGES |
| Indicator Type | DIAL W/POINTER |
| Sensitivity Rating | 1000.0 OHMS PER VOLT |
| Color | UNABLE TO DECODE |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Meter Body Diameter Behind Mounting Flange | 5.430 INCHES NOMINAL IN |
| Scale Division Quantity | 30 SINGLE INDICATOR ALL RANGES |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Installation Design | PANEL |
| Measurement Range | +0.0 TO 150.0 VOLTS, DC SINGLE INDICATOR SECOND RANGE |
| Meter Depth Behind Mounting Flange | 3.430 INCHES NOMINAL IN |
| Mounting Stud Diameter | 0.190 INCHES NOMINAL IN |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Features Provided | MAGNETIC SHIELD AND ZERO ADJUSTER |
| Pointer Color | BLACK SINGLE INDICATOR ALL RANGES |
| Measurement Range | +0.0 TO 30.0 VOLTS, DC SINGLE INDICATOR FIRST RANGE |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 4.560 INCHES NOMINAL IN |
| Scale Graduation Type | LINEAR SINGLE INDICATOR ALL RANGES |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Style Designator | RECTANGULAR FLUSH MTG |
| Circuit Current for Which Designed | DC |
| Acquisition Status | ACTIVE |
| Successor | 6625-00-649-4182 (291B404A18) |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | N |
| Unit of Issue | EA |
| SMR Code | LN |
| Part Number | Manufacturer |
|---|---|
| 1957438 | Westinghouse Electric Corp (USA) |
| 1957438 | Westinghouse Electric Corp Power Generation-Generator Div (USA) |
| 1957003 | Westinghouse Electric Corp Power Generation-Generator Div (USA) |
| KX25 | Westinghouse Electric Corp Power Generation-Generator Div (USA) |
| 22722 | U M C Electronics Co (USA) |
NSN 6625-00-585-4950 is a Voltmeter, manufactured by Westinghouse Electric Corp, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-585-4950 has 5 cross-referenced part numbers: 1957438 (Westinghouse Electric Corp), 1957438 (Westinghouse Electric Corp Power Generation-Generator Div), 1957003 (Westinghouse Electric Corp Power Generation-Generator Div), KX25 (Westinghouse Electric Corp Power Generation-Generator Div), 22722 (U M C Electronics Co).
There are 5 known substitutes for 6625-00-585-4950: 6625-00-649-4182, 2995-00-105-9408, 4820-00-148-1861 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1957438: Circuit Attachment Method and Quantity: 3 SOLDER STUD; Overall Height: 6.460 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Width: 4.560 INCHES NOMINAL IN; Movement Type: MOVING COIL, PERMANENT MAGNET. 30 total characteristics are documented in the Federal Logistics Information System.