The Ammeter, cataloged under National Stock Number 6625-00-944-7270, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Marion Electrical Instrument Co. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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 | 6625-00-944-7270 |
| Primary Part Number | MM2 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Marion Electrical Instrument Co |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Material | PLASTIC |
| Meter Body Diameter Behind Mounting Flange | 2.188 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Circuit Current for Which Designed | DC |
| Mounting Stud Diameter | 0.112 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Measurement Range | -20.0 TO 20.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 1.016 INCHES NOMINAL IN |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Installation Design | PANEL |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Material | PLASTIC |
| Meter Body Diameter Behind Mounting Flange | 2.188 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Circuit Current for Which Designed | DC |
| Mounting Stud Diameter | 0.112 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Measurement Range | -20.0 TO 20.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 1.016 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| Successor | 6625-00-068-1744 (106020-0102) |
| HAZMAT | No |
NSN 6625-00-944-7270 is a Ammeter, manufactured by Marion Electrical Instrument Co, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-944-7270 has 3 cross-referenced part numbers: MM2 (Marion Electrical Instrument Co), 22950-4 (Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company), MM2 (Jewell Instruments Llc).
There are 12 known substitutes for 6625-00-944-7270: 6625-00-051-9015, 6625-00-068-1744, 6625-00-081-2824 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MM2: Mounting Facility Type and Quantity: 3 THREADED STUD(S); Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Overall Width: 2.719 INCHES NOMINAL IN; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE. 30 total characteristics are documented in the Federal Logistics Information System.