The Ammeter, cataloged under National Stock Number 6625-00-539-9640, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Systron-Donner Corp Microwave/instrument Div. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-539-9640 |
| Primary Part Number | 754500 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Systron-Donner Corp Microwave/instrument Div |
| Status | CANCELLED |
| Material | STEEL CORROSION RESISTING |
| FSC Application Data | TEST SET ELECTRONIC EQUIP. |
| Overall Diameter | 2.695 INCHES MAXIMUM IN |
| Indicator Type | DIAL W/POINTER |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Mounting Stud Length | 0.500 INCHES NOMINAL IN |
| Meter Body Diameter Behind Mounting Flange | 2.210 INCHES MAXIMUM IN |
| Circuit Attachment Method and Quantity | 2 BINDING POST |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Power Source | EXTERNAL |
| Specification/standard Data | 81349-MIL-M-10304/5 GOVERNMENT SPECIFICATION |
| Style Designator | ROUND FLUSH MTG |
| Panel for Which Designed | MAGNETIC |
| Color | UNABLE TO DECODE |
| Installation Design | PANEL |
| Measurement Range | +0.0 TO 50.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Circuit Construction Type | NONELECTRONIC |
| Circuit Current for Which Designed | DC |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 1.600 INCHES MAXIMUM IN |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Stud Diameter | 0.112 INCHES NOMINAL IN |
| Dielectric Withstanding Voltage in Volts | 3000.0 |
| Acquisition Status | CANCELLED |
| Successor | 6625-00-220-9986 |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | JZ |
| Weight | 0.4750 lbs |
| Cube | 0.0208 cu ft |
| Part Number | Manufacturer |
|---|---|
| 754500 | Systron-Donner Corp Microwave/instrument Div (USA) |
| MIL-M-10304/5 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MR26W050DCAAR | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-PRF-10304/5 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 6625-00-539-9640 is a Ammeter, manufactured by Systron-Donner Corp Microwave/instrument Div, classified under FSC 6625 (No Item Name Available). Status: cancelled.
NSN 6625-00-539-9640 has 4 cross-referenced part numbers: 754500 (Systron-Donner Corp Microwave/instrument Div), MIL-M-10304/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR26W050DCAAR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-10304/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 8 known substitutes for 6625-00-539-9640: 6625-00-220-9986, 6625-00-725-8151, 6625-00-841-7570 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 754500: Material: STEEL CORROSION RESISTING; FSC Application Data: TEST SET ELECTRONIC EQUIP.; Overall Diameter: 2.695 INCHES MAXIMUM IN; Indicator Type: DIAL W/POINTER. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-539-9640 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.