The Ammeter, cataloged under National Stock Number 6625-00-440-6548, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Aeronautical Communications Equipment Inc. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-440-6548 |
| Primary Part Number | R1849 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Aeronautical Communications Equipment Inc |
| Status | ACTIVE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Installation Design | PANEL |
| Sensitivity Rating | 50.0 MILLIVOLTS |
| Mounting Bolt Circle Diameter | 2.320 INCHES NOMINAL IN |
| Meter Depth Behind Mounting Flange | 0.970 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Scale Division Quantity | 25 SINGLE INDICATOR SINGLE RANGE |
| Color | UNABLE TO DECODE |
| Style Designator | ROUND FLUSH MTG |
| Overall Diameter | 2.550 INCHES NOMINAL IN |
| Meter Body Diameter Behind Mounting Flange | 2.060 INCHES NOMINAL IN |
| Measurement Range | +0.0 TO 500.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Circuit Current for Which Designed | DC |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MEASUREMENT RANGE PER INDICATOR |
| Material | PLASTIC |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Installation Design | PANEL |
| Sensitivity Rating | 50.0 MILLIVOLTS |
| Mounting Bolt Circle Diameter | 2.320 INCHES NOMINAL IN |
| Meter Depth Behind Mounting Flange | 0.970 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Scale Division Quantity | 25 SINGLE INDICATOR SINGLE RANGE |
| Color | UNABLE TO DECODE |
| Acquisition Status | ACTIVE |
| Successor | 6625-00-504-2980 |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| R1849 | Aeronautical Communications Equipment Inc (USA) |
| 506-0-500DCMA | Solartron Electronics Inc Weston Instruments Div (USA) |
| 506 | Solartron Electronics Inc Weston Instruments Div (USA) |
NSN 6625-00-440-6548 is a Ammeter, manufactured by Aeronautical Communications Equipment Inc, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-440-6548 has 3 cross-referenced part numbers: R1849 (Aeronautical Communications Equipment Inc), 506-0-500DCMA (Solartron Electronics Inc Weston Instruments Div), 506 (Solartron Electronics Inc Weston Instruments Div).
There are 12 known substitutes for 6625-00-440-6548: 6625-00-504-2980, 6625-01-462-6376, 6625-01-540-3811 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for R1849: Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Installation Design: PANEL. 30 total characteristics are documented in the Federal Logistics Information System.