The Wattmeter, cataloged under National Stock Number 6625-01-441-9555, 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 Avionics Specialist Inc Dba Avionics Specialist Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6625-01-441-9555 |
| Primary Part Number | ASI-83C |
| Item Name | Wattmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Avionics Specialist Inc Dba Avionics Specialist Inc |
| Status | ACTIVE |
| Operating Voltage Rating in Volts | 115.0 AC NOMINAL |
| Indicator Type | DIAL W/POINTER |
| Circuit Attachment Method and Quantity | 3 BINDING POST |
| Circuit Current for Which Designed | AC |
| Power Source | EXTERNAL |
| Reference Data and Literature | T.O. 33A1-12-1358-1;SPECIALIZED AVIONICS TEST EQUIPMENT TECHNICAL MANUAL |
| Style Designator | RECTANGULAR OR SQUARE |
| Functional Description | DESIGNED TO MEASURE AUDIO POWER OUTPUT |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM |
| Frequency Response Range | +0.020 TO 20.000 KILOHERTZ |
| Measurement Range | +0.002 TO 200.000 WATTS SINGLE INDICATOR SECOND RANGE |
| Measurement Range | -15.0 TO 53.0 DECIBELS SINGLE INDICATOR FIRST RANGE |
| Furnished Items and Quantity | TECHNICAL MANUAL 1 |
| Installation Design | RACK |
| 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 | JS |
| Weight | 17.0000 lbs |
| Cube | 2.7222 cu ft |
| Part Number | Manufacturer |
|---|---|
| ASI-83C PRIMARY | Avionics Specialist Inc Dba Avionics Specialist Inc (USA) |
| Reference | Meaning |
|---|---|
| 2900-00083-003 | 5/9 Secondary reference Harbin Electronics Corp Harbin Test Systems Div |
| CID96LDAE105.4-6625-F069 | D/9 Drawing number reference only U.S. Government activity |
| A-A-59101 | 5/1 Secondary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| HTS-83C | 5/9 Secondary reference Harbin Electronics Corp Harbin Test Systems Div |
| CID96LDAE105.4-6625-F069 | 5/9 Secondary reference U.S. Government activity |
NSN 6625-01-441-9555 is a Wattmeter, manufactured by Avionics Specialist Inc Dba Avionics Specialist Inc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-441-9555 has 1 manufacturer part number on file: ASI-83C (Avionics Specialist Inc Dba Avionics Specialist Inc).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-442-0961. Verify interchangeability with system specifications before substitution.
Key specifications for ASI-83C: Overall Height: 3.500 INCHES NOMINAL IN; Operating Voltage Rating in Volts: 115.0 AC NOMINAL; Indicator Type: DIAL W/POINTER; Circuit Attachment Method and Quantity: 3 BINDING POST. 14 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.