The Ammeter, cataloged under National Stock Number 6625-01-367-4577, 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 Electro Switch Corp. Dba Arga Controls a Unit of Electro Switch Div Arga Controls a Unit of Electo Switch Corp.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Item Name | Ammeter |
| FSC / FSG | 6625 — Electrical and Electronic Properties Measuring and Testing Instruments (FSG 66) |
| Manufacturers | Electro Switch Corp. Dba Arga Controls a Unit of Electro Switch Div Arga Controls a Unit of Electo Switch Corp. (CAGE 50290) |
| Parameter | Value |
|---|---|
| NSN | 6625-01-367-4577 |
| Primary Part Number | 12-335 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Electro Switch Corp. Dba Arga Controls a Unit of Electro Switch Div Arga Controls a Unit of Electo Switch Corp. |
| Status | ACTIVE |
| 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 | JZ |
| Weight | 0.7650 lbs |
| Cube | 0.0645 cu ft |
| Part Number | Manufacturer |
|---|---|
| 12-335 PRIMARY | Electro Switch Corp. Dba Arga Controls a Unit of Electro Switch Div Arga Controls a Unit of Electo Switch Corp. (USA) |
| Reference | Meaning |
|---|---|
| DE5-0040-001 | 5/9 Secondary reference Bruce Aerospace Inc |
NSN 6625-01-367-4577 is a Ammeter, manufactured by Electro Switch Corp. Dba Arga Controls a Unit of Electro Switch Div Arga Controls a Unit of Electo Switch Corp., classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-367-4577 has 1 manufacturer part number on file: 12-335 (Electro Switch Corp. Dba Arga Controls a Unit of Electro Switch Div Arga Controls a Unit of Electo Switch Corp.).
3 possible matches (shared part number, not a government interchangeability claim): 2590-01-472-1447, 6530-01-500-4950, 4310-01-502-1776. Verify interchangeability with system specifications before substitution.
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.