The Ammeter, cataloged under National Stock Number 6625-00-331-1470, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-331-1470 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) |
| Meter Body Diameter Behind Mounting Flange | 2.671 INCHES NOMINAL IN |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 SOLDER LUG |
| Meter Depth Behind Mounting Flange | 1.515 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 | 50 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Dial Scale Marking Color | WHITE SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | +0.0 TO 500.0 MILLIAMPERES, 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 |
| Reference | Meaning |
|---|---|
| G221016 | 3/9 Design control — primary reference American Telephone and Telegraph Co |
| G221016 | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Corporate Headquarters |
| G221016 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
NSN 6625-00-331-1470 is a Ammeter, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
Key specifications for 6625-00-331-1470: Mounting Facility Type and Quantity: 3 THREADED STUD(S); Meter Body Diameter Behind Mounting Flange: 2.671 INCHES NOMINAL IN; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Circuit Attachment Method and Quantity: 2 SOLDER LUG. 17 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.