The Voltmeter, cataloged under National Stock Number 6625-00-470-2187, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Kierulff Electronics Inc Metermaster Div. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-470-2187 |
| Primary Part Number | 2531 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Kierulff Electronics Inc Metermaster Div |
| Status | ACTIVE |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Environmental Protection | SHOCK RESISTANT AND VIBRATION RESISTANT |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Meter Depth Behind Mounting Flange | 1.390 INCHES MAXIMUM IN |
| Measurement Range | +180.0 TO 210.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE |
| Circuit Current for Which Designed | AC |
| Meter Body Diameter Behind Mounting Flange | 2.800 INCHES MAXIMUM IN |
| Scale Division Quantity | 30 SINGLE INDICATOR SINGLE RANGE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Indicator Type | DIAL W/POINTER |
| Overall Diameter | 3.510 INCHES MAXIMUM IN |
| Installation Design | PANEL |
| Style Designator | ROUND FLUSH MTG |
| Sensitivity Rating | 1.0 MILLIAMPERES |
| Surface Treatment | CADMIUM AND CHROMATE |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Material | STEEL |
| Color | UNABLE TO DECODE |
| Special Markings | SEALED DO NOT OPEN RUGGEDIZED |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Power Source | EXTERNAL |
| Movement Suspension Method | TAUT BAND |
| Features Provided | ZERO ADJUSTER |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Movement Type | MOVING IRON VANE |
| Furnished Items and Quantity | NUT 2 WASHER 2 |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Mounting Hole Diameter | 0.143 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Acquisition Status | ACTIVE |
| Successor | 6625-00-103-0327 (10279474) |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | XN |
| Part Number | Manufacturer |
|---|---|
| 2531 | Kierulff Electronics Inc Metermaster Div (USA) |
| 72-P02250B001 | Motorola Inc. Dba Integrated Information Systems Group (USA) |
| 2531 | Solartron Electronics Inc Weston Instruments Div (USA) |
NSN 6625-00-470-2187 is a Voltmeter, manufactured by Kierulff Electronics Inc Metermaster Div, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-470-2187 has 3 cross-referenced part numbers: 2531 (Kierulff Electronics Inc Metermaster Div), 72-P02250B001 (Motorola Inc. Dba Integrated Information Systems Group), 2531 (Solartron Electronics Inc Weston Instruments Div).
There are 7 known substitutes for 6625-00-470-2187: 6625-00-103-0327, 6625-00-357-1802, 6625-00-649-3838 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2531: Mounting Bolt Circle Diameter: 3.160 INCHES NOMINAL IN; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Environmental Protection: SHOCK RESISTANT AND VIBRATION RESISTANT; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE. 30 total characteristics are documented in the Federal Logistics Information System.