The Ammeter, cataloged under National Stock Number 6625-00-538-9769, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Solartron Electronics Inc Weston Instruments Div. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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 | 6625-00-538-9769 |
| Primary Part Number | 301-57 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Solartron Electronics Inc Weston Instruments Div |
| Status | ACTIVE |
| Scale Division Quantity | 40 SINGLE INDICATOR SINGLE RANGE |
| Installation Design | PANEL |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Style Designator | ROUND FLUSH MTG |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Meter Body Diameter Behind Mounting Flange | 2.750 INCHES NOMINAL IN |
| Indicator Type | DIAL W/POINTER |
| Environmental Protection | DUST RESISTANT |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Sensitivity Rating | 50.0 MILLIVOLTS |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Panel for Which Designed | MAGNETIC |
| Material | PLASTIC |
| Circuit Current for Which Designed | DC |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Surface Treatment | ENAMEL |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Color | UNABLE TO DECODE |
| FSC Application Data | TEST SET,ELECTRONIC EQUIPMENT |
| Power Source | EXTERNAL |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Meter Depth Behind Mounting Flange | 0.970 INCHES NOMINAL IN |
| Dielectric Withstanding Voltage in Volts | 2000.0 |
| Mounting Hole Diameter | 0.156 INCHES NOMINAL IN |
| Circuit Construction Type | NONELECTRONIC |
| Features Provided | MAGNETIC SHIELD AND ZERO ADJUSTER |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | +0.0 TO 200.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | N |
| Unit of Issue | EA |
| SMR Code | JN |
| Weight | 0.5800 lbs |
| Cube | 0.0456 cu ft |
NSN 6625-00-538-9769 is a Ammeter, manufactured by Solartron Electronics Inc Weston Instruments Div, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-538-9769 has 4 cross-referenced part numbers: 301-57 (Solartron Electronics Inc Weston Instruments Div), 301-57 (Custom Metering Company Inc), A1231PC5 (Cayuga Mfg Corp), 301-57 (Metermaster Inc Metermod Div).
There are 12 known substitutes for 6625-00-538-9769: 6625-00-668-7813, 6625-00-067-6000, 6625-00-103-2559 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 301-57: Scale Division Quantity: 40 SINGLE INDICATOR SINGLE RANGE; Installation Design: PANEL; Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE; Style Designator: ROUND FLUSH MTG. 30 total characteristics are documented in the Federal Logistics Information System.