The Wattmeter, cataloged under National Stock Number 6625-00-643-2999, 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 Bird Electronic Corporation Div Bird Electronic Corp. Government technical data includes 28 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6625-00-643-2999 |
| Primary Part Number | 7500-229-1 |
| Item Name | Wattmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Bird Electronic Corporation Div Bird Electronic Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 2.750 INCHES NOMINAL IN |
| Operating Voltage Rating in Volts | 250.0 DC NOMINAL |
| Indicator Type | DIAL W/POINTER |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 1 CONNECTOR, RECEPTACLE AND 2 THREADED STUD |
| Meter Depth Behind Mounting Flange | 1.500 INCHES NOMINAL 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 ALL RANGES |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Power Source | EXTERNAL |
| Style Designator | ROUND FLUSH MTG |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Features Provided | ZERO ADJUSTER |
| Scale Division Quantity | 30 SINGLE INDICATOR ALL RANGES |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Pointer Color | BLACK SINGLE INDICATOR ALL RANGES |
| Environmental Protection | HERMETIC |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR ALL RANGES |
| Material | PLASTIC |
| Scale Graduation Type | LINEAR SINGLE INDICATOR ALL RANGES |
| Measurement Range | +0.0 TO 15.0 WATTS SINGLE INDICATOR FIRST RANGE |
| Measurement Range | +0.0 TO 60.0 WATTS SINGLE INDICATOR SECOND RANGE |
| Furnished Items and Quantity | CABLE ASSY 1 |
| 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 7500-229-1 PRIMARY | Bird Electronic Corporation Div Bird Electronic Corp (USA) |
| A750222 PRIMARY | Bird Electronic Corporation Div Bird Electronic Corp (USA) |
| 463-611 | Hickok Waekon Llc (USA) |
| Reference | Meaning |
|---|---|
| 46HS | 5/1 Secondary reference Hickok Waekon Llc |
| A750229-1 | 5/9 Secondary reference Bird Electronic Corporation Div Bird Electronic Corp |
| 460-875 | 5/9 Secondary reference Hickok Waekon Llc |
NSN 6625-00-643-2999 is a Wattmeter, manufactured by Bird Electronic Corporation Div Bird Electronic Corp, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-643-2999 has 3 manufacturer part numbers on file: 7500-229-1 (Bird Electronic Corporation Div Bird Electronic Corp), A750222 (Bird Electronic Corporation Div Bird Electronic Corp), 463-611 (Hickok Waekon Llc).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-476-2674. Verify interchangeability with system specifications before substitution.
Key specifications for 7500-229-1: Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 2.750 INCHES NOMINAL IN; Operating Voltage Rating in Volts: 250.0 DC NOMINAL; Indicator Type: DIAL W/POINTER. 28 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.