The Ammeter, cataloged under National Stock Number 6625-00-668-6716, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Smart Machines, Inc. Dba Barker and Williamson. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-668-6716 |
| Primary Part Number | 39-98 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Smart Machines, Inc. Dba Barker and Williamson |
| Status | ACTIVE |
| Mounting Hole Diameter | 0.150 INCHES NOMINAL IN |
| Style Designator | ROUND FLUSH MTG |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Measurement Range | +0.0 TO 300.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Color | UNABLE TO DECODE |
| Circuit Current for Which Designed | DC |
| Installation Design | PANEL |
| Sensitivity Rating | 150.0 MILLIVOLTS |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Meter Body Diameter Behind Mounting Flange | 2.800 INCHES NOMINAL IN |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Mounting Hole Diameter | 0.150 INCHES NOMINAL IN |
| Style Designator | ROUND FLUSH MTG |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Measurement Range | +0.0 TO 300.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Color | UNABLE TO DECODE |
| Circuit Current for Which Designed | DC |
| Installation Design | PANEL |
| Sensitivity Rating | 150.0 MILLIVOLTS |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Acquisition Status | ACTIVE |
| Successor | 6145-01-164-6454 (3998) |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | JN |
| Weight | 0.7400 lbs |
| Cube | 0.0495 cu ft |
| Part Number | Manufacturer |
|---|---|
| 39-98 | Smart Machines, Inc. Dba Barker and Williamson (USA) |
| MR36W300DCMA | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MILM6 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 39-98 | Barker & Williamson (USA) |
NSN 6625-00-668-6716 is a Ammeter, manufactured by Smart Machines, Inc. Dba Barker and Williamson, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-668-6716 has 4 cross-referenced part numbers: 39-98 (Smart Machines, Inc. Dba Barker and Williamson), MR36W300DCMA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILM6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 39-98 (Barker & Williamson).
There are 12 known substitutes for 6625-00-668-6716: 6625-00-668-9246, 6625-00-838-4356, 6625-01-023-2776 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 39-98: Mounting Hole Diameter: 0.150 INCHES NOMINAL IN; Style Designator: ROUND FLUSH MTG; Movement Suspension Method: JEWEL PIVOT BASE; Measurement Range: +0.0 TO 300.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE. 30 total characteristics are documented in the Federal Logistics Information System.