The Voltmeter, cataloged under National Stock Number 6625-01-059-6957, 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 Dba Electronic Systems. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6625-01-059-6957 |
| Primary Part Number | 989C656H01 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| Operating Voltage Rating in Volts | 115.0 AC NOMINAL |
| Indicator Type | DIGITAL DISPLAY |
| Circuit Current for Which Designed | AC |
| Display Digit Quantity | 4 |
| Supplementary Features | IMPEDANCE 1.0 GIGOHMS; LEGEND ON LENS: MA |
| Style Designator | RECTANGULAR SEMI-FLUSH MTG |
| Display Type | LIGHT EMITTING DIODE (L.E.D.). |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM |
| Measurement Range | +0.0 TO 1.9 VOLTS, DC SINGLE INDICATOR SINGLE RANGE |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Installation Design | PANEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JN |
| Weight | 1.5100 lbs |
| Cube | 0.1130 cu ft |
| Part Number | Manufacturer |
|---|---|
| 989C656H01 PRIMARY | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
| Reference | Meaning |
|---|---|
| 4312-02MA | 7/9 Vendor item drawing reference Penta Engineering Data Tech Div |
NSN 6625-01-059-6957 is a Voltmeter, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-059-6957 has 1 manufacturer part number on file: 989C656H01 (Northrop Grumman Systems Corporation Dba Electronic Systems).
Key specifications for 989C656H01: Overall Height: 1.800 INCHES NOMINAL IN; Operating Voltage Rating in Volts: 115.0 AC NOMINAL; Indicator Type: DIGITAL DISPLAY; Circuit Current for Which Designed: AC. 11 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.
NSN 6625-01-059-6957 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.