The Ammeter, cataloged under National Stock Number 6625-00-942-7331, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-942-7331 |
| Primary Part Number | 310-09427 |
| Item Name | Ammeter |
| 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 | 3 THREADED STUD(S) |
| Meter Body Diameter Behind Mounting Flange | 2.672 INCHES NOMINAL IN |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 SOLDER LUG |
| Meter Depth Behind Mounting Flange | 1.391 INCHES NOMINAL IN |
| Circuit Current for Which Designed | DC |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Mounting Stud Diameter | 0.138 INCHES NOMINAL IN |
| Style Designator | ROUND FLUSH MTG |
| Scale Division Quantity | 10 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Bolt Circle Diameter | 3.156 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | +0.0 TO 30.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Installation Design | PANEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 310-09427 PRIMARY | Phaostron Instrument and Electronic Company (USA) |
NSN 6625-00-942-7331 is a Ammeter, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-942-7331 has 1 manufacturer part number on file: 310-09427 (Phaostron Instrument and Electronic Company).
Key specifications for 310-09427: Mounting Facility Type and Quantity: 3 THREADED STUD(S); Meter Body Diameter Behind Mounting Flange: 2.672 INCHES NOMINAL IN; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Circuit Attachment Method and Quantity: 2 SOLDER LUG. 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.