The Voltmeter, cataloged under National Stock Number 6625-00-993-7746, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Q V S Inc. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-993-7746 |
| Primary Part Number | 578 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Q V S Inc |
| Status | ACTIVE |
| Mounting Hole Diameter | 0.150 INCHES NOMINAL IN |
| Circuit Current for Which Designed | DC |
| Installation Design | PANEL |
| Accuracy in Percent | -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES |
| Meter Depth Behind Mounting Flange | 1.125 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 3.625 INCHES NOMINAL IN |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Special Markings | RED SLASH 0V TO 25.8V,GREEN 25.8V TO 26.6V,YELLOW 26.6V TO 32,BATTERY VOLTS V |
| Color | UNABLE TO DECODE |
| Style Designator | ROUND FLUSH MTG |
| Circuit Attachment Method and Quantity | 4 SOLDER LUG |
| Mounting Bolt Circle Diameter | 4.126 INCHES NOMINAL IN |
| Measurement Range | +0.0 TO 32.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE |
| Mounting Arrangement Style | SIX HOLE/STUD BOLT CIRCLE |
| Overall Diameter | 4.562 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Mounting Hole Diameter | 0.150 INCHES NOMINAL IN |
| Circuit Current for Which Designed | DC |
| Installation Design | PANEL |
| Accuracy in Percent | -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES |
| Meter Depth Behind Mounting Flange | 1.125 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 3.625 INCHES NOMINAL IN |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Special Markings | RED SLASH 0V TO 25.8V,GREEN 25.8V TO 26.6V,YELLOW 26.6V TO 32,BATTERY VOLTS V |
| Color | UNABLE TO DECODE |
| Style Designator | ROUND FLUSH MTG |
| Circuit Attachment Method and Quantity | 4 SOLDER LUG |
| Mounting Bolt Circle Diameter | 4.126 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | N |
| Unit of Issue | EA |
| SMR Code | JN |
| Weight | 0.0100 lbs |
| Cube | 0.0010 cu ft |
| Part Number | Manufacturer |
|---|---|
| 578 PRIMARY | Q V S Inc (USA) |
| 578450R383 | Q V S Inc (USA) |
NSN 6625-00-993-7746 is a Voltmeter, manufactured by Q V S Inc, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-993-7746 has 2 cross-referenced part numbers: 578 (Q V S Inc), 578450R383 (Q V S Inc).
There are 12 known substitutes for 6625-00-993-7746: 4730-00-056-4206, 3110-00-100-0205, 2920-00-184-7814 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 578: Mounting Hole Diameter: 0.150 INCHES NOMINAL IN; Circuit Current for Which Designed: DC; Installation Design: PANEL; Accuracy in Percent: -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES. 30 total characteristics are documented in the Federal Logistics Information System.