The Ammeter, cataloged under National Stock Number 6625-00-005-6474, 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 Essex Electro Engineers Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-005-6474 |
| Primary Part Number | A510-1202 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Essex Electro Engineers Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 FLANGE |
| Meter Body Diameter Behind Mounting Flange | 2.750 INCHES NOMINAL IN |
| Mounting Arrangement Style | TWO HOLE/STUD |
| Circuit Attachment Method and Quantity | 2 SOLDER STUD |
| Meter Depth Behind Mounting Flange | 1.875 INCHES NOMINAL IN |
| Circuit Current for Which Designed | AC |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Dielectric Withstanding Voltage in Volts | 3000.0 |
| Style Designator | ROUND FLUSH MTG |
| Mounting Hole Diameter | 0.156 INCHES NOMINAL IN |
| Scale Division Quantity | 5 SINGLE INDICATOR SINGLE RANGE |
| Mounting Bolt Circle Diameter | 3.156 INCHES NOMINAL IN |
| Surface Treatment | ENAMEL |
| Frequency Response Range | +25.000 TO 125.000 HERTZ |
| Measurement Range | +0.0 TO 125.0 AMPERES, AC SINGLE INDICATOR FIRST RANGE |
| Measurement Range | +0.0 TO 250.0 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) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | ZN |
NSN 6625-00-005-6474 is a Ammeter, manufactured by Essex Electro Engineers Inc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-005-6474 has 2 manufacturer part numbers on file: A510-1202 (Essex Electro Engineers Inc), 366-071A (Jewell Instruments Llc).
Key specifications for A510-1202: Mounting Facility Type and Quantity: 3 FLANGE; Meter Body Diameter Behind Mounting Flange: 2.750 INCHES NOMINAL IN; Mounting Arrangement Style: TWO HOLE/STUD; Circuit Attachment Method and Quantity: 2 SOLDER 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.