The Ammeter, cataloged under National Stock Number 6625-00-869-3141, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Phaostron Instrument and Electronic Company. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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 | 6625-00-869-3141 |
| Primary Part Number | 621-16749 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Phaostron Instrument and Electronic Company |
| Status | ACTIVE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Mounting Stud Length | 0.375 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Measurement Range | -10.0 TO 20.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Mounting Facility Type and Quantity | 3 FLANGE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Sensitivity Rating | 50.0 MILLIVOLTS |
| Scale Selection Method | TERMINAL |
| Circuit Construction Type | NONELECTRONIC |
| Nuclear Hardness Critical Feature | HARDENED |
| Special Markings | SCALE BACKGROUND FROM 0 TO MINUS 10 AMPS SHALL BE RED AND FROM 0 TO PLUS 20 AMPS SHALL BE GREEN |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Meter Body Diameter Behind Mounting Flange | 2.210 INCHES NOMINAL IN |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Panel for Which Designed | MAGNETIC |
| Meter Depth Behind Mounting Flange | 1.600 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Style Designator | ROUND FLUSH MTG |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Features Provided | MAGNETIC SHIELD |
| Indicator Type | DIAL W/POINTER |
| Overall Diameter | 2.695 INCHES NOMINAL IN |
| Circuit Current for Which Designed | DC |
| Installation Design | PANEL |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Scale Graduation Type | NONLINEAR SINGLE INDICATOR SINGLE RANGE |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Dielectric Withstanding Voltage in Volts | 3000.0 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | DZ |
| Weight | 0.5600 lbs |
| Cube | 0.0504 cu ft |
| Part Number | Manufacturer |
|---|---|
| 621-16749 PRIMARY | Phaostron Instrument and Electronic Company (USA) |
| 13205E4789 | Cecom Lr Center (USA) |
| 300-17 PRIMARY | Jewell Instruments Llc (USA) |
| 69-574 | Department of Defense Project Manager-Mobile Electric Power (USA) |
| 04306-3007 | Harsco Corp Bmy-Combat Systems Div (USA) |
| 26-5773 PRIMARY | Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA) |
NSN 6625-00-869-3141 is a Ammeter, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-869-3141 has 6 cross-referenced part numbers: 621-16749 (Phaostron Instrument and Electronic Company), 13205E4789 (Cecom Lr Center), 300-17 (Jewell Instruments Llc), 69-574 (Department of Defense Project Manager-Mobile Electric Power), 04306-3007 (Harsco Corp Bmy-Combat Systems Div) and 1 more.
There are 12 known substitutes for 6625-00-869-3141: 5330-00-112-9442, 4820-00-157-8265, 1650-00-213-0660 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 621-16749: Circuit Attachment Method and Quantity: 2 THREADED STUD; Mounting Stud Length: 0.375 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Measurement Range: -10.0 TO 20.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE; Mounting Facility Type and Quantity: 3 FLANGE. 30 total characteristics are documented in the Federal Logistics Information System.