The Ammeter, cataloged under National Stock Number 6625-01-116-1986, 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 Simpson Electric Company, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-01-116-1986 |
| Primary Part Number | 03820 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Simpson Electric Company, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 FLANGE AND 3 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 2.750 INCHES NOMINAL IN |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Meter Depth Behind Mounting Flange | 1.310 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 |
| Style Designator | ROUND FLUSH MTG |
| Mounting Hole Diameter | 0.157 INCHES NOMINAL IN |
| Features Provided | MAGNETIC SHIELD |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Material | PLASTIC |
| Measurement Range | -100.0 TO 100.0 MICROAMPERES, 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 |
|---|---|
| 03820 PRIMARY | Simpson Electric Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 25 | 5/1 Secondary reference Simpson Electric Company, Inc. |
NSN 6625-01-116-1986 is a Ammeter, manufactured by Simpson Electric Company, Inc., classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-116-1986 has 1 manufacturer part number on file: 03820 (Simpson Electric Company, Inc.).
Key specifications for 03820: Mounting Facility Type and Quantity: 1 FLANGE AND 3 UNTHREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 2.750 INCHES NOMINAL IN; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Circuit Attachment Method and Quantity: 2 THREADED STUD. 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.