The Voltmeter, cataloged under National Stock Number 6625-00-231-1634, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Zenith Radio Corp of Iowa. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-231-1634 |
| Primary Part Number | A7431 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Zenith Radio Corp of Iowa |
| Status | ACTIVE |
| Mounting Hole Diameter | 0.438 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Sensitivity Rating | 10000.0 OHMS PER VOLT |
| Movement Type | MOVING IRON VANE |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.856 INCHES NOMINAL IN |
| Material | PLASTIC |
| Meter Depth Behind Mounting Flange | 1.453 INCHES NOMINAL IN |
| Measurement Range | +0.0 TO 150.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE |
| Style Designator | RECTANGULAR FLUSH MTG |
| Circuit Current for Which Designed | AC |
| Installation Design | PANEL |
| Dial Scale Marking Color | WHITE SINGLE INDICATOR SINGLE RANGE |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.856 INCHES NOMINAL IN |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES |
| Frequency Rating | 400.0 HERTZ NOMINAL |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Color | UNABLE TO DECODE |
| Meter Body Diameter Behind Mounting Flange | 2.219 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.438 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A7431 | Zenith Radio Corp of Iowa (USA) |
NSN 6625-00-231-1634 is a Voltmeter, manufactured by Zenith Radio Corp of Iowa, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-231-1634 has 1 cross-referenced part number: A7431 (Zenith Radio Corp of Iowa).
There is 1 known substitute for 6625-00-231-1634: 5905-00-258-2494. Verify interchangeability with system specifications before substitution.
Key specifications for A7431: Overall Width: 2.375 INCHES NOMINAL IN; Overall Height: 2.375 INCHES NOMINAL IN; Mounting Hole Diameter: 0.438 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S). 30 total characteristics are documented in the Federal Logistics Information System.