The Ammeter, cataloged under National Stock Number 6625-00-649-3758, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 29 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 | 6625-00-649-3758 |
| Primary Part Number | C222798-1 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Circuit Construction Type | NONELECTRONIC |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 2.210 INCHES NOMINAL IN |
| FSC Application Data | TEST SET,ELECTRONIC EQUIPMENT |
| Operating Voltage Rating in Volts | 120.0 AC NOMINAL |
| Phase | SINGLE |
| Indicator Type | DIAL W/POINTER |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 SOLDER LUG |
| Meter Depth Behind Mounting Flange | 1.600 INCHES NOMINAL IN |
| Circuit Current for Which Designed | AC |
| Scale Selection Method | TERMINAL |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Accuracy in Percent | -4.0 TO 4.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 2.695 INCHES NOMINAL IN |
| Panel for Which Designed | MAGNETIC |
| Dielectric Withstanding Voltage in Volts | 1500.0 |
| Power Source | EXTERNAL |
| Style Designator | ROUND FLUSH MTG |
| Mounting Hole Diameter | 0.136 INCHES NOMINAL IN |
| Features Provided | ZERO ADJUSTER |
| Scale Division Quantity | 75 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Bolt Circle Diameter | 4.880 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Environmental Protection | DUST RESISTANT |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| 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 | JN |
| Part Number | Manufacturer |
|---|---|
| C222798-1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
NSN 6625-00-649-3758 is a Ammeter, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-649-3758 has 1 manufacturer part number on file: C222798-1 (Raytheon Company Dba Raytheon Co).
Key specifications for C222798-1: Circuit Construction Type: NONELECTRONIC; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 2.210 INCHES NOMINAL IN; FSC Application Data: TEST SET,ELECTRONIC EQUIPMENT. 29 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.