The Ammeter, cataloged under National Stock Number 6625-00-225-7657, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hughes Corp Div Dba Weschler Instruments. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-225-7657 |
| Primary Part Number | PA4 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Hughes Corp Div Dba Weschler Instruments |
| Status | ACTIVE |
| Features Provided | ZERO ADJUSTER |
| Measurement Range | +0.0 TO 500.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE |
| Circuit Attachment Method and Quantity | 2 BINDING POST |
| Movement Type | MOVING IRON VANE |
| Circuit Current for Which Designed | AC |
| Accuracy in Percent | -0.8 TO 0.8 AT FULL SCALE SINGLE INDICATOR ALL RANGES |
| Dial Scale Marking Color | BLACK ALL INDICATORS SINGLE RANGE |
| Style Designator | RECTANGULAR OR SQUARE |
| Color | UNABLE TO DECODE |
| Material | PLASTIC |
| Sensitivity Rating | 50.0 MILLIVOLTS |
| Features Provided | ZERO ADJUSTER |
| Measurement Range | +0.0 TO 500.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE |
| Circuit Attachment Method and Quantity | 2 BINDING POST |
| Movement Type | MOVING IRON VANE |
| Circuit Current for Which Designed | AC |
| Accuracy in Percent | -0.8 TO 0.8 AT FULL SCALE SINGLE INDICATOR ALL RANGES |
| Dial Scale Marking Color | BLACK ALL INDICATORS SINGLE RANGE |
| Style Designator | RECTANGULAR OR SQUARE |
| Color | UNABLE TO DECODE |
| Material | PLASTIC |
| Sensitivity Rating | 50.0 MILLIVOLTS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 6625-00-225-7657 is a Ammeter, manufactured by Hughes Corp Div Dba Weschler Instruments, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-225-7657 has 2 cross-referenced part numbers: PA4 (Hughes Corp Div Dba Weschler Instruments), PA4 (Westinghouse Electric Corp).
There are 2 known substitutes for 6625-00-225-7657: 5930-00-116-1396, 5130-01-367-3110. Verify interchangeability with system specifications before substitution.
Key specifications for PA4: Features Provided: ZERO ADJUSTER; Measurement Range: +0.0 TO 500.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE; Circuit Attachment Method and Quantity: 2 BINDING POST; Overall Width: 2.000 INCHES NOMINAL IN. 28 total characteristics are documented in the Federal Logistics Information System.