The Ammeter, cataloged under National Stock Number 6625-00-166-9952, 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 Marine Electric Systems Inc. Government technical data includes 14 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-166-9952 |
| Primary Part Number | MSD4IIA4184 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Marine Electric Systems Inc |
| Status | ACTIVE |
| Circuit Construction Type | NONELECTRONIC |
| FSC Application Data | TEST SET,ELECTRONIC SYSTEMS,EXCEPT SPECIALLY DESIGNED |
| Indicator Type | DIAL W/POINTER |
| Circuit Current for Which Designed | AC |
| Movement Type | MOVING IRON VANE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Panel for Which Designed | NONMAGNETIC |
| Power Source | EXTERNAL |
| Features Provided | ZERO ADJUSTER |
| Movement Suspension Method | TAUT BAND |
| Measurement Range | +0.0 TO 50.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE |
| Furnished Items and Quantity | CURRENT TRANSFORMER 1 |
| Nuclear Hardness Critical Feature | NONHARDENED |
| 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 | J |
| Part Number | Manufacturer |
|---|---|
| MSD4IIA4184 PRIMARY | Marine Electric Systems Inc (USA) |
NSN 6625-00-166-9952 is a Ammeter, manufactured by Marine Electric Systems Inc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-166-9952 has 1 manufacturer part number on file: MSD4IIA4184 (Marine Electric Systems Inc).
Key specifications for MSD4IIA4184: Circuit Construction Type: NONELECTRONIC; FSC Application Data: TEST SET,ELECTRONIC SYSTEMS,EXCEPT SPECIALLY DESIGNED; Indicator Type: DIAL W/POINTER; Circuit Current for Which Designed: AC. 14 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.