The Ammeter, cataloged under National Stock Number 6625-00-580-1885, 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 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-580-1885 |
| Primary Part Number | MR26W300 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Phaostron Instrument and Electronic Company |
| Status | CANCELLED |
| Test Data Document | 81349-MIL-PRF-10304 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Style Designator | ROUND FLUSH MTG |
| Meter Depth Behind Mounting Flange | 1.190 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Scale Division Quantity | 60 SINGLE INDICATOR SINGLE RANGE |
| Movement Type | MOVING IRON VANE |
| Mounting Facility Type and Quantity | 3 SCREW AND 3 UNTHREADED HOLE(S) |
| Surface Treatment | CADMIUM |
| Furnished Items and Quantity | NUT 5; LOCKWASHER 5; SEAL 1 |
| Indicator Type | DIAL W/POINTER |
| Overall Diameter | 2.690 INCHES NOMINAL IN |
| Material | STEEL |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Environmental Protection | AIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT |
| Specification/standard Data | 81349-MIL-PRF-10304/5 GOVERNMENT SPECIFICATION |
| Sensitivity Rating | 50.0 MILLIVOLTS |
| Special Markings | ON BACK,SEALED DO NOT OPEN |
| Meter Body Diameter Behind Mounting Flange | 2.060 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Special Test Features | COMPLIES WITH MIL-PRF-10304 |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Power Source | EXTERNAL |
| Circuit Current for Which Designed | DC |
| Scale Selection Method | TERMINAL |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Measurement Range | +0.0 TO 300.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Acquisition Status | CANCELLED |
| Successor | 6625-00-220-9986 |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | DN |
| Weight | 0.6000 lbs |
| Cube | 0.0526 cu ft |
| Part Number | Manufacturer |
|---|---|
| MR26W300 | Phaostron Instrument and Electronic Company (USA) |
| 2521 | Solartron Electronics Inc Weston Instruments Div (USA) |
| 628-318 | Phaostron Instrument and Electronic Company (USA) |
| ADD3-2186 | Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA) |
| MIL-PRF-10304/5 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MR26W300DCAAR | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-M-10304/5 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MILM10304B-MR26W300D | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 621-318 | Phaostron Instrument and Electronic Company (USA) |
NSN 6625-00-580-1885 is a Ammeter, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6625 (No Item Name Available). Status: cancelled.
NSN 6625-00-580-1885 has 9 cross-referenced part numbers: MR26W300 (Phaostron Instrument and Electronic Company), 2521 (Solartron Electronics Inc Weston Instruments Div), 628-318 (Phaostron Instrument and Electronic Company), ADD3-2186 (Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging), MIL-PRF-10304/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.
There are 12 known substitutes for 6625-00-580-1885: 6625-00-840-5431, 6625-00-010-6406, 6625-00-057-5534 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MR26W300: Test Data Document: 81349-MIL-PRF-10304 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; Style Designator: ROUND FLUSH MTG; Meter Depth Behind Mounting Flange: 1.190 INCHES NOMINAL IN; Installation Design: PANEL. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-580-1885 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.