The Ammeter, cataloged under National Stock Number 6625-00-553-7624, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div. Government technical data includes 30 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-553-7624 |
| Primary Part Number | Q74120-1 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div |
| Status | ACTIVE |
| Mounting Hole Diameter | 0.172 INCHES NOMINAL IN |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| Meter Body Diameter Behind Mounting Flange | 3.760 INCHES NOMINAL IN |
| Meter Depth Behind Mounting Flange | 1.578 INCHES NOMINAL IN |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Circuit Current for Which Designed | DC |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Measurement Range | +0.0 TO 100.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Material | PLASTIC |
| Color | UNABLE TO DECODE |
| Mounting Bolt Circle Diameter | 4.125 INCHES NOMINAL IN |
| Style Designator | ROUND FLUSH MTG |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Installation Design | PANEL |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Overall Diameter | 4.562 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Sensitivity Rating | 40.0 MILLIVOLTS |
| Accuracy in Percent | -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Mounting Hole Diameter | 0.172 INCHES NOMINAL IN |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| Meter Body Diameter Behind Mounting Flange | 3.760 INCHES NOMINAL IN |
| Meter Depth Behind Mounting Flange | 1.578 INCHES NOMINAL IN |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Circuit Current for Which Designed | DC |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Measurement Range | +0.0 TO 100.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Material | PLASTIC |
| Color | UNABLE TO DECODE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 205026 | Solartron Electronics Inc Weston Instruments Div (USA) |
| Q74120-1 | Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA) |
| Q74120-1 PRIMARY | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA) |
NSN 6625-00-553-7624 is a Ammeter, manufactured by Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-553-7624 has 3 cross-referenced part numbers: 205026 (Solartron Electronics Inc Weston Instruments Div), Q74120-1 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), Q74120-1 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div).
There are 5 known substitutes for 6625-00-553-7624: 5999-00-107-4722, 3020-00-289-7591, 7320-01-025-1427 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for Q74120-1: Mounting Hole Diameter: 0.172 INCHES NOMINAL IN; Scale Division Quantity: 50 SINGLE INDICATOR SINGLE RANGE; Meter Body Diameter Behind Mounting Flange: 3.760 INCHES NOMINAL IN; Meter Depth Behind Mounting Flange: 1.578 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.