The Ammeter, cataloged under National Stock Number 6625-00-196-8773, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hughes Corp Div Weschler Electric. 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 | 6625-00-196-8773 |
| Primary Part Number | 671B420A15 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Hughes Corp Div Weschler Electric |
| Status | ACTIVE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.375 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.375 INCHES NOMINAL IN |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Measurement Range | +0.0 TO 50.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Features Provided | MAGNETIC SHIELD |
| Mounting Stud Diameter | 0.250 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR FLUSH MTG |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Meter Body Diameter Behind Mounting Flange | 3.980 INCHES MAXIMUM IN |
| 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.). |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 10.000 INCHES MAXIMUM IN |
| Circuit Current for Which Designed | DC |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Accuracy in Percent | -1.5 TO 1.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Material | PLASTIC AND STEEL |
| Circuit Construction Type | ELECTRONIC, SOLID STATE |
| Installation Design | PANEL |
| Color | UNABLE TO DECODE |
| Power Source | EXTERNAL |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Indicator Type | DIAL W/POINTER |
| Acquisition Status | ACTIVE |
| Successor | 6625-00-553-7461 (3244767 PC 34) |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| SMR Code | ZF |
| Weight | 3.0100 lbs |
| Cube | 0.2665 cu ft |
| Part Number | Manufacturer |
|---|---|
| 671B420A15 | Hughes Corp Div Weschler Electric (USA) |
| MIL-DTL-16034/2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MR49W050DCAAH | 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 |
| 256-7285223PN257 | Naval Sea Systems Command (USA) |
| MILM16034AMR49W050DC | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 6625-00-196-8773 is a Ammeter, manufactured by Hughes Corp Div Weschler Electric, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-196-8773 has 6 cross-referenced part numbers: 671B420A15 (Hughes Corp Div Weschler Electric), MIL-DTL-16034/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR49W050DCAAH (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), 256-7285223PN257 (Naval Sea Systems Command) and 1 more.
There are 3 known substitutes for 6625-00-196-8773: 6625-00-553-7461, 6625-01-205-3107, 6625-00-196-8774. Verify interchangeability with system specifications before substitution.
Key specifications for 671B420A15: Movement Suspension Method: JEWEL PIVOT BASE; Center to Center Distance Between Mounting Facilities Parallel to Width: 3.375 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.375 INCHES NOMINAL IN; Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE. 30 total characteristics are documented in the Federal Logistics Information System.