The Ammeter, cataloged under National Stock Number 6625-01-186-8155, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-186-8155 |
| Primary Part Number | 691B671A23 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Hughes Corp Div Weschler Electric |
| Status | ACTIVE |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Furnished Items and Quantity | NUT 8; WASHER 6 |
| Indicator Type | DIAL W/POINTER |
| Installation Design | PANEL |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| Material | PLASTIC POLYCARBONATE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Meter Body Diameter Behind Mounting Flange | 3.960 INCHES NOMINAL IN |
| Sensitivity Rating | 50.0 MILLIVOLTS |
| Meter Depth Behind Mounting Flange | 2.813 INCHES NOMINAL IN |
| FSC Application Data | ELECTRICAL,ELECTRONIC PROPERTIES MEASURING AND TEST INSTRUMENTS |
| Style Designator | RECTANGULAR FLUSH MTG |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Environmental Protection | DUST TIGHT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATERTIGHT |
| Panel for Which Designed | NONMAGNETIC |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Color | UNABLE TO DECODE |
| Surface Treatment | PAINT |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Facility Type and Quantity | 4 SCREW AND 4 UNTHREADED HOLE(S) |
| Features Provided | EXTERNAL SHUNTING AND ZERO ADJUSTER |
| Power Source | EXTERNAL |
| Measurement Range | +0.0 TO 500.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Circuit Construction Type | NONELECTRONIC |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.380 INCHES NOMINAL IN |
| Circuit Current for Which Designed | DC |
| Mounting Hole Diameter | 0.312 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| SMR Code | J |
| Weight | 2.5000 lbs |
| Cube | 0.1947 cu ft |
| Part Number | Manufacturer |
|---|---|
| 691B671A23 | Westinghouse Electric Corp Control Business Unit |
| KX241 0-500AMP | Hughes Corp Div Dba Weschler Instruments (USA) |
| 103121CASF7 | Yokogawa Corporation of America (USA) |
| KX2410-500AMP | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| MR49W500DCAAH | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 691B671A23 PRIMARY | Hughes Corp Div Weschler Electric (USA) |
| 50-103-121-CASF | Yokogawa Corporation of America (USA) |
NSN 6625-01-186-8155 is a Ammeter, manufactured by Hughes Corp Div Weschler Electric, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-01-186-8155 has 7 cross-referenced part numbers: 691B671A23 (Westinghouse Electric Corp Control Business Unit), KX241 0-500AMP (Hughes Corp Div Dba Weschler Instruments), 103121CASF7 (Yokogawa Corporation of America), KX2410-500AMP (Electric Boat Corporation Div General Dynamics Electric Boat), MR49W500DCAAH (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.
There is 1 known substitute for 6625-01-186-8155: 6625-01-281-6223. Verify interchangeability with system specifications before substitution.
Key specifications for 691B671A23: Nuclear Hardness Critical Feature: NONHARDENED; Furnished Items and Quantity: NUT 8; WASHER 6; Indicator Type: DIAL W/POINTER; Installation Design: PANEL. 30 total characteristics are documented in the Federal Logistics Information System.