The Wattmeter, cataloged under National Stock Number 6625-01-159-5686, 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 27 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 6625-01-159-5686 |
| Primary Part Number | G166511-1 |
| Item Name | Wattmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 2.820 INCHES MAXIMUM IN |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| 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 | 1.660 INCHES MAXIMUM IN |
| Circuit Current for Which Designed | DC |
| Scale Selection Method | TERMINAL |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 3.510 INCHES MAXIMUM IN |
| Power Source | EXTERNAL |
| Criticality Code Justification | FEAT |
| Style Designator | ROUND FLUSH MTG |
| Mounting Hole Diameter | 0.150 INCHES NOMINAL IN |
| Features Provided | ZERO ADJUSTER |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Material | PLASTIC |
| Scale Graduation Type | NONLINEAR SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | +0.0 TO 1.0 WATTS SINGLE INDICATOR SINGLE RANGE |
| Furnished Items and Quantity | BULK SCREWS 3; HEX NUTS 3; LOCK WASHERS 3 |
| 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 | Y |
| Unit of Issue | EA |
| Acquisition advice code | JZ |
| Weight | 0.8200 lbs |
| Cube | 0.0456 cu ft |
| Part Number | Manufacturer |
|---|---|
| G166511-1 | Raytheon Company (USA) |
| 365-832 | Jewell Instruments Llc (USA) |
| MK777-89 | Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics (USA) |
| 365-832 | Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc (USA) |
| G166511-1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| M-3084 | Custom Metering Company Inc (USA) |
| Reference | Meaning |
|---|---|
| M-3084 | 5/9 Secondary reference Metermaster Inc Miscorp Div |
| 631-19159 | 5/9 Secondary reference Keenan Pipe and Supply Co |
| G166511-1 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 6625-01-159-5686 is a Wattmeter, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-159-5686 has 6 manufacturer part numbers on file: G166511-1 (Raytheon Company), 365-832 (Jewell Instruments Llc), MK777-89 (Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics), 365-832 (Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc), G166511-1 (Raytheon Company Dba Raytheon Co) and 1 more.
3 possible matches (shared part number, not a government interchangeability claim): 2520-01-197-8204, 5950-01-470-2506, 2925-01-504-3000. Verify interchangeability with system specifications before substitution.
Key specifications for G166511-1: Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 2.820 INCHES MAXIMUM IN; FSC Application Data: TEST SET,ELECT. EQUIP.; Indicator Type: DIAL W/POINTER. 27 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.