The Voltmeter, cataloged under National Stock Number 6625-00-446-1699, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-446-1699 |
| Primary Part Number | 1650916 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 2.210 INCHES MAXIMUM IN |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Phase | SINGLE |
| Indicator Type | DIAL W/POINTER |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 SOLDER LUG AND 2 THREADED STUD |
| Meter Depth Behind Mounting Flange | 1.687 INCHES MAXIMUM IN |
| Circuit Current for Which Designed | AC |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Accuracy in Percent | -5.0 TO 5.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 2.750 INCHES MAXIMUM IN |
| Dielectric Withstanding Voltage in Volts | 2600.0 |
| Supplementary Features | RECTIFIER TYPE |
| Power Source | EXTERNAL |
| Style Designator | ROUND FLUSH MTG |
| Mounting Hole Diameter | 0.123 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Features Provided | MAGNETIC SHIELD AND ZERO ADJUSTER |
| Scale Division Quantity | 25 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Surface Treatment | ENAMEL |
| Environmental Protection | SHOCK RESISTANT AND VIBRATION RESISTANT |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | XF |
| Part Number | Manufacturer |
|---|---|
| 1650916 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 1876537RHPC69 | Northrop Grumman Systems Corporation (USA) |
| 1876537RHPC69 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 1650916 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 1522 CLASS 51 | 5/9 Secondary reference Solartron Electronics Inc Weston Instruments Div |
NSN 6625-00-446-1699 is a Voltmeter, manufactured by Northrop Grumman Systems Corporation, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-446-1699 has 4 manufacturer part numbers on file: 1650916 (Northrop Grumman Systems Corporation), 1876537RHPC69 (Northrop Grumman Systems Corporation), 1876537RHPC69 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1650916 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 1650916: Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 2.210 INCHES MAXIMUM IN; FSC Application Data: TEST SET,ELECT. EQUIP.; Phase: SINGLE. 28 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.