The Wattmeter, cataloged under National Stock Number 6625-01-518-5123, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is The Biro Manufacturing Company. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 6625-01-518-5123 |
| Primary Part Number | 4391A |
| Item Name | Wattmeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | The Biro Manufacturing Company |
| Status | ACTIVE |
| Material | PLASTIC VINYL |
| Installation Design | HANDHELD |
| Display Type | LIGHT EMITTING DIODE (L.E.D.). |
| Power Source | EXTERNAL OR INTERNAL |
| Style Designator | PORTABLE |
| Display Digit Quantity | 3-1/2 |
| Indicator Type | DIGITAL DISPLAY |
| Material | PLASTIC VINYL |
| Installation Design | HANDHELD |
| Display Type | LIGHT EMITTING DIODE (L.E.D.). |
| Power Source | EXTERNAL OR INTERNAL |
| Style Designator | PORTABLE |
| Display Digit Quantity | 3-1/2 |
| Indicator Type | DIGITAL DISPLAY |
| Acquisition Status | ACTIVE |
| Successor | 6625-01-478-2653 (4391A) |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4391A | The Biro Manufacturing Company (USA) |
NSN 6625-01-518-5123 is a Wattmeter, manufactured by The Biro Manufacturing Company, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-01-518-5123 has 1 cross-referenced part number: 4391A (The Biro Manufacturing Company).
There are 2 known substitutes for 6625-01-518-5123: 6625-01-478-2653, 6625-01-674-9849. Verify interchangeability with system specifications before substitution.
Key specifications for 4391A: Overall Length: 9.562 INCHES NOMINAL IN; Material: PLASTIC VINYL; Installation Design: HANDHELD; Overall Depth: 4.312 INCHES NOMINAL IN. 24 total characteristics are documented in the Federal Logistics Information System.