The Ammeter, cataloged under National Stock Number 6625-01-054-3654, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ametek Inc Div Aerospace and Defense. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-054-3654 |
| Primary Part Number | 121-5621750 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Ametek Inc Div Aerospace and Defense |
| Status | ACTIVE |
| Features Provided | ZERO ADJUSTER |
| Mounting Facility Type and Quantity | 2 CLAMP |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Furnished Items and Quantity | NUT 2; WASHER 6 |
| Installation Design | PANEL |
| Meter Body Width Behind Mounting Flange | 2.470 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 2.984 INCHES NOMINAL IN |
| Power Source | EXTERNAL |
| Panel for Which Designed | NONMAGNETIC |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Color | UNABLE TO DECODE |
| Indicator Type | DIAL W/POINTER |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Style Designator | RECTANGULAR FLUSH MTG |
| Nuclear Hardness Critical Feature | NONHARDENED |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Material | PLASTIC |
| Pointer Color | RED SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | -40.0 TO 40.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Circuit Current for Which Designed | DC |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| Meter Body Height Behind Mounting Flange | 0.656 INCHES NOMINAL IN |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Circuit Construction Type | NONELECTRONIC |
| Acquisition Status | ACTIVE |
| Successor | 6625-00-834-9359 (335893) |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | N |
| Unit of Issue | EA |
| SMR Code | ZN |
| Part Number | Manufacturer |
|---|---|
| 121 | Solartron Electronics Inc Weston Instruments Div (USA) |
| 121-5621750 | Solartron Electronics Inc Weston Instruments Div (USA) |
| 121-5921750 | Solartron Electronics Inc Weston Instruments Div (USA) |
| 121-5621750 PRIMARY | Ametek Inc Div Aerospace and Defense (USA) |
NSN 6625-01-054-3654 is a Ammeter, manufactured by Ametek Inc Div Aerospace and Defense, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-01-054-3654 has 4 cross-referenced part numbers: 121 (Solartron Electronics Inc Weston Instruments Div), 121-5621750 (Solartron Electronics Inc Weston Instruments Div), 121-5921750 (Solartron Electronics Inc Weston Instruments Div), 121-5621750 (Ametek Inc Div Aerospace and Defense).
There are 3 known substitutes for 6625-01-054-3654: 6625-00-834-9359, 5895-01-460-9538, 6145-00-199-0235. Verify interchangeability with system specifications before substitution.
Key specifications for 121-5621750: Features Provided: ZERO ADJUSTER; Overall Length: 3.953 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 2 CLAMP; Special Features: HORIZ MTG. 30 total characteristics are documented in the Federal Logistics Information System.