The Ammeter, cataloged under National Stock Number 6625-00-669-4584, 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 Hyundai Ideal Electric Co.. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-669-4584 |
| Primary Part Number | SB1646-7 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Hyundai Ideal Electric Co. |
| Status | ACTIVE |
| Meter Body Diameter Behind Mounting Flange | 2.800 INCHES NOMINAL IN |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Circuit Current for Which Designed | AC |
| Movement Type | MOVING IRON VANE |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Style Designator | ROUND FLUSH MTG |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Special Markings | RED LINE AT 145 ON 250 AMP SCALE;RED LINE AT 350 ON 500 AMP SCALE |
| Material | PLASTIC |
| Measurement Range | +0.0 TO 250.0 AMPERES, AC SINGLE INDICATOR FIRST RANGE |
| Measurement Range | +0.0 TO 500.0 AMPERES, AC SINGLE INDICATOR SECOND 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 |
|---|---|
| SB1646-7 PRIMARY | Hyundai Ideal Electric Co. (USA) |
| Reference | Meaning |
|---|---|
| TASD1ALNP3559 | 5/9 Secondary reference Fifty Avenue L Inc |
| 00117-0029 | 3/9 Design control — primary reference U.S. Government activity |
NSN 6625-00-669-4584 is a Ammeter, manufactured by Hyundai Ideal Electric Co., classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-669-4584 has 1 manufacturer part number on file: SB1646-7 (Hyundai Ideal Electric Co.).
Key specifications for SB1646-7: Meter Body Diameter Behind Mounting Flange: 2.800 INCHES NOMINAL IN; Circuit Attachment Method and Quantity: 2 THREADED STUD; Circuit Current for Which Designed: AC; Movement Type: MOVING IRON VANE. 12 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.