The Multimeter, cataloged under National Stock Number 6625-01-227-9385, 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 Phaostron Instrument and Electronic Company. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-227-9385 |
| Primary Part Number | 643-19062 |
| Item Name | Multimeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Phaostron Instrument and Electronic Company |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 3.600 INCHES MAXIMUM IN |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Indicator Type | DIAL W/POINTER |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Meter Depth Behind Mounting Flange | 1.500 INCHES MAXIMUM IN |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 4.500 INCHES NOMINAL IN |
| Dielectric Withstanding Voltage in Volts | 3000.0 |
| Style Designator | ROUND FLUSH MTG |
| Mounting Hole Diameter | 0.150 INCHES NOMINAL IN |
| Features Provided | MAGNETIC SHIELD AND ZERO ADJUSTER |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Bolt Circle Diameter | 4.124 INCHES NOMINAL IN |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Installation Design | PANEL |
| 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 | JF |
| Weight | 1.3200 lbs |
| Cube | 0.1017 cu ft |
| Part Number | Manufacturer |
|---|---|
| 817-10754308 | Newington Electric Co., Inc. (USA) |
| 643-19062 PRIMARY | Phaostron Instrument and Electronic Company (USA) |
| M-3174 | Custom Metering Company Inc (USA) |
| Reference | Meaning |
|---|---|
| M-3174 | 5/9 Secondary reference Metermaster Inc Miscorp Div |
NSN 6625-01-227-9385 is a Multimeter, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-227-9385 has 3 manufacturer part numbers on file: 817-10754308 (Newington Electric Co., Inc.), 643-19062 (Phaostron Instrument and Electronic Company), M-3174 (Custom Metering Company Inc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-664-2526. Verify interchangeability with system specifications before substitution.
Key specifications for 643-19062: Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 3.600 INCHES MAXIMUM IN; FSC Application Data: TEST SET,ELECT. EQUIP.; Indicator Type: DIAL W/POINTER. 18 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.