The Ammeter, cataloged under National Stock Number 6625-00-081-5840, 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 27 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 | 6625-00-081-5840 |
| Primary Part Number | 637-16751 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Phaostron Instrument and Electronic Company |
| Status | ACTIVE |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Measurement Range | +0.0 TO 1.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Power Source | EXTERNAL |
| Features Provided | MAGNETIC SHIELD AND ZERO ADJUSTER |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Facility Type and Quantity | 3 SCREW AND 3 UNTHREADED HOLE(S) |
| Scale Graduation Type | NONLINEAR SINGLE INDICATOR SINGLE RANGE |
| Scale Selection Method | TERMINAL |
| Meter Depth Behind Mounting Flange | 1.660 INCHES NOMINAL IN |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Overall Diameter | 3.510 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Meter Body Diameter Behind Mounting Flange | 2.800 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Indicator Type | DIAL W/POINTER |
| Circuit Current for Which Designed | AC |
| Style Designator | ROUND FLUSH MTG |
| Color | UNABLE TO DECODE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Special Markings | DOUBLE WIDTH RED LINE AT 100 PERCENT MARK. MARKED PERCENT RATED CURRENT,FULL SCALE 1 AMP |
| Material | STEEL |
| Mounting Hole Diameter | 0.150 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Movement Type | MOVING IRON VANE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | DN |
| Weight | 0.7450 lbs |
| Cube | 0.0463 cu ft |
| Part Number | Manufacturer |
|---|---|
| 69-598 | Department of Defense Project Manager-Mobile Electric Power (USA) |
| 35.7004 | Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA) |
| 300-11 | Jewell Instruments Llc (USA) |
| 254014 | Solartron Electronics Inc Weston Instruments Div (USA) |
| 13205E4791 | Cecom Lr Center (USA) |
| 637-16751 PRIMARY | Phaostron Instrument and Electronic Company (USA) |
NSN 6625-00-081-5840 is a Ammeter, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-081-5840 has 6 cross-referenced part numbers: 69-598 (Department of Defense Project Manager-Mobile Electric Power), 35.7004 (Ideal Precision Meter Co Dba Ideal Precision Meter Co), 300-11 (Jewell Instruments Llc), 254014 (Solartron Electronics Inc Weston Instruments Div), 13205E4791 (Cecom Lr Center) and 1 more.
There are 12 known substitutes for 6625-00-081-5840: 5998-01-120-7686, 5330-00-003-6891, 5920-00-080-5827 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 637-16751: Overall Length: 2.060 INCHES NOMINAL IN; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Measurement Range: +0.0 TO 1.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE; Circuit Attachment Method and Quantity: 2 THREADED STUD. 30 total characteristics are documented in the Federal Logistics Information System.