The Ammeter, cataloged under National Stock Number 6625-00-144-0409, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6625-00-144-0409 |
| Primary Part Number | MILM6A |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Panel for Which Designed | NONMAGNETIC |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 2.800 INCHES NOMINAL IN |
| Meter Depth Behind Mounting Flange | 2.450 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | +0.0 TO 50.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.150 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Material | PLASTIC |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Color | UNABLE TO DECODE |
| Style Designator | ROUND FLUSH MTG |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Sensitivity Rating | 150.0 MILLIVOLTS |
| Circuit Current for Which Designed | DC |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Panel for Which Designed | NONMAGNETIC |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 2.800 INCHES NOMINAL IN |
| Meter Depth Behind Mounting Flange | 2.450 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILM6A | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MR35W050DCMA | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 6625-00-144-0409 is a Ammeter, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6625 (No Item Name Available). Status: cancelled.
NSN 6625-00-144-0409 has 2 cross-referenced part numbers: MILM6A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR35W050DCMA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 9 known substitutes for 6625-00-144-0409: 6625-00-649-2906, 6625-00-144-0165, 6625-00-190-4171 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILM6A: Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Panel for Which Designed: NONMAGNETIC; Movement Type: MOVING COIL, PERMANENT MAGNET; Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-144-0409 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.