The Wattmeter, cataloged under National Stock Number 6625-01-121-9754, 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 Yokogawa Corporation of America. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-121-9754 |
| Primary Part Number | 2105-335 |
| Item Name | Wattmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Yokogawa Corporation of America |
| Status | ACTIVE |
| Meter Body Diameter Behind Mounting Flange | 3.960 INCHES NOMINAL IN |
| Operating Voltage Rating in Volts | 120.0 AC NOMINAL |
| Phase | THREE |
| Indicator Type | DIAL W/POINTER |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Meter Depth Behind Mounting Flange | 5.312 INCHES NOMINAL IN |
| Circuit Current for Which Designed | AC |
| Accuracy in Percent | -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Style Designator | RECTANGULAR FLUSH MTG |
| Scale Division Quantity | 10 SINGLE INDICATOR SINGLE RANGE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Frequency Rating | 400.0 HERTZ NOMINAL |
| Dial Scale Marking Color | WHITE SINGLE INDICATOR SINGLE RANGE |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | +0.0 TO 50.0 KILOWATTS SINGLE INDICATOR SINGLE RANGE |
| 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 | CC |
| Part Number | Manufacturer |
|---|---|
| 2105-335 | Yokogawa Corporation of America (USA) |
| 077-218A-QQWI-C4SR | Tyco Electronics Crompton Instrument (USA) |
| 103221APDD7BNC | Yokogawa Corporation of America (USA) |
| Reference | Meaning |
|---|---|
| 077-218A-QQXH-CHSR | 5/9 Secondary reference Crompton Instruments Inc |
| 077-218A-QQXH-CHSR | 5/9 Secondary reference Tyco Electronics Crompton Instrument |
| 007-218A-QQWI-C4SR | 3/2 Design control — primary reference U.S. Government activity |
NSN 6625-01-121-9754 is a Wattmeter, manufactured by Yokogawa Corporation of America, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-121-9754 has 3 manufacturer part numbers on file: 2105-335 (Yokogawa Corporation of America), 077-218A-QQWI-C4SR (Tyco Electronics Crompton Instrument), 103221APDD7BNC (Yokogawa Corporation of America).
Key specifications for 2105-335: Meter Body Diameter Behind Mounting Flange: 3.960 INCHES NOMINAL IN; Overall Height: 4.422 INCHES NOMINAL IN; Operating Voltage Rating in Volts: 120.0 AC NOMINAL; Phase: THREE. 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.