The Voltmeter, cataloged under National Stock Number 6625-00-542-0528, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is American Instrument Corp. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6625-00-542-0528 |
| Primary Part Number | A85X4 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | American Instrument Corp |
| Status | CANCELLED |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Sensitivity Rating | 10000.0 OHMS PER VOLT |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Scale Division Quantity | 6 SINGLE INDICATOR SINGLE RANGE |
| Mounting Bolt Circle Diameter | 4.440 INCHES NOMINAL IN |
| Overall Diameter | 2.695 INCHES NOMINAL IN |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Circuit Current for Which Designed | DC |
| Meter Body Diameter Behind Mounting Flange | 2.219 INCHES NOMINAL IN |
| Style Designator | ROUND FLUSH MTG |
| Meter Depth Behind Mounting Flange | 1.609 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Special Markings | USE WITH EXTERNAL RECTIFIER |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Sensitivity Rating | 10000.0 OHMS PER VOLT |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Scale Division Quantity | 6 SINGLE INDICATOR SINGLE RANGE |
| Mounting Bolt Circle Diameter | 4.440 INCHES NOMINAL IN |
| Overall Diameter | 2.695 INCHES NOMINAL IN |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Circuit Current for Which Designed | DC |
| Acquisition Status | CANCELLED |
| Successor | 6625-00-553-0177 |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A85X4 PRIMARY | American Instrument Corp (USA) |
| 1104-020 | Video Dept of Edo Western Corp (USA) |
| 413605-1 PRIMARY | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| 321 | American Instrument Corp (USA) |
| HM2 | Jewell Instruments Llc (USA) |
| 321 | Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA) |
| L291510-1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| A85X4 | Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA) |
| 265-652 | Jewell Instruments Llc (USA) |
NSN 6625-00-542-0528 is a Voltmeter, manufactured by American Instrument Corp, classified under FSC 6625 (No Item Name Available). Status: cancelled.
NSN 6625-00-542-0528 has 9 cross-referenced part numbers: A85X4 (American Instrument Corp), 1104-020 (Video Dept of Edo Western Corp), 413605-1 (L3harris Technologies, Inc. Dba Harris Corporation), 321 (American Instrument Corp), HM2 (Jewell Instruments Llc) and 4 more.
There are 12 known substitutes for 6625-00-542-0528: 6625-00-649-4471, 5998-00-018-9284, 5999-00-164-0718 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for A85X4: Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Mounting Hole Diameter: 0.125 INCHES NOMINAL IN; Color: UNABLE TO DECODE; Sensitivity Rating: 10000.0 OHMS PER VOLT. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-542-0528 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.