The Ammeter, cataloged under National Stock Number 6625-00-196-8774, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Westinghouse Electric Corp Control Business Unit. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 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 | 6625-00-196-8774 |
| Primary Part Number | 671B420A15 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Westinghouse Electric Corp Control Business Unit |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Power Source | EXTERNAL |
| Mounting Stud Diameter | 0.250 INCHES NOMINAL IN |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Features Provided | MAGNETIC SHIELD |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Indicator Type | DIAL W/POINTER |
| Mounting Stud Length | 0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Test Data Document | 81349-MIL-M-16034 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.). |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Accuracy in Percent | -1.5 TO 1.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | +0.0 TO 100.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Circuit Construction Type | ELECTRONIC, SOLID STATE |
| Meter Body Diameter Behind Mounting Flange | 3.980 INCHES MAXIMUM IN |
| Circuit Current for Which Designed | DC |
| Material | PLASTIC AND STEEL |
| Color | UNABLE TO DECODE |
| Meter Depth Behind Mounting Flange | 10.000 INCHES MAXIMUM IN |
| Sensitivity Rating | 50.0 MILLIVOLTS |
| Panel for Which Designed | MAGNETIC |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Style Designator | RECTANGULAR FLUSH MTG |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.375 INCHES NOMINAL IN |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Acquisition Status | ACTIVE |
| Successor | 6625-00-553-7461 (3244767 PC 34) |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| SMR Code | Z |
| Weight | 2.3000 lbs |
| Cube | 0.1843 cu ft |
| Part Number | Manufacturer |
|---|---|
| 671B420A15 | Westinghouse Electric Corp Control Business Unit |
| MR49W100DCAAH | Westinghouse Electric Corp Control Business Unit |
| MR49W100DCAAH | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-M-16034/2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MR49W100DCAAH | General Electric Co Outdoor Breaker Business Section (USA) |
| MIL-DTL-16034/2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 6625-00-196-8774 is a Ammeter, manufactured by Westinghouse Electric Corp Control Business Unit, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-196-8774 has 6 cross-referenced part numbers: 671B420A15 (Westinghouse Electric Corp Control Business Unit), MR49W100DCAAH (Westinghouse Electric Corp Control Business Unit), MR49W100DCAAH (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-M-16034/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR49W100DCAAH (General Electric Co Outdoor Breaker Business Section) and 1 more.
There are 3 known substitutes for 6625-00-196-8774: 6625-00-553-7461, 6625-01-205-3107, 6625-00-196-8773. Verify interchangeability with system specifications before substitution.
Key specifications for 671B420A15: Overall Height: 4.250 INCHES MINIMUM AND 4.750 INCHES MAXIMUM IN; Mounting Facility Type and Quantity: 4 THREADED STUD(S); Overall Width: 4.250 INCHES MINIMUM AND 4.750 INCHES MAXIMUM IN; Overall Length: 11.000 INCHES MAXIMUM IN. 30 total characteristics are documented in the Federal Logistics Information System.