The Meter,special Scale, cataloged under National Stock Number 6625-01-178-4174, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-178-4174 |
| Primary Part Number | 4950P7001-7 |
| Item Name | Meter,special Scale |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 SCREW AND 4 UNTHREADED HOLE(S) |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Indicator Type | DIAL W/POINTER |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Circuit Attachment Method and Quantity | 4 THREADED STUD |
| Meter Depth Behind Mounting Flange | 5.760 INCHES NOMINAL IN |
| Circuit Current for Which Designed | DC |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Accuracy in Percent | -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Meter Body Height Behind Mounting Flange | 5.435 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 6.045 INCHES MINIMUM AND 6.055 INCHES MAXIMUM IN |
| Special Test Features | CONFORMS TO MIL-M-24359 |
| Supplementary Features | 15 DEGREE UPWARD SLOPE ON BOTTOM HALF OF MOUNTING SURFACE |
| Criticality Code Justification | FEAT |
| Style Designator | RECTANGULAR FLUSH MTG |
| Mounting Hole Diameter | 0.190 INCHES NOMINAL IN |
| Features Provided | ZERO ADJUSTER |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Meter Body Width Behind Mounting Flange | 1.225 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Pointer Color | RED SINGLE INDICATOR SINGLE RANGE |
| Environmental Protection | HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT |
| Unable to Decode | UNABLE TO DECODE |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.720 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | Y |
| Unit of Issue | EA |
| Acquisition advice code | JF |
| Weight | 2.7500 lbs |
| Cube | 0.1302 cu ft |
| Part Number | Manufacturer |
|---|---|
| 4950P7001-7 PRIMARY | L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division (USA) |
| 2150A2035BB0727 | Prime Technology Llc (USA) |
| 1001-19728 | Phaostron Instrument and Electronic Company (USA) |
| Reference | Meaning |
|---|---|
| 2150A2035BB0727 | 5/9 Secondary reference U.S. Government activity |
| MMI-10348-7 | C/1 Advisory reference — outside the item-of-supply concept Custom Metering Company Inc |
| MMI-10348-7 | 5/9 Secondary reference Metermaster Inc Metermod Div |
NSN 6625-01-178-4174 is a Meter,special Scale, manufactured by L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-178-4174 has 3 manufacturer part numbers on file: 4950P7001-7 (L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division), 2150A2035BB0727 (Prime Technology Llc), 1001-19728 (Phaostron Instrument and Electronic Company).
Key specifications for 4950P7001-7: Mounting Facility Type and Quantity: 4 SCREW AND 4 UNTHREADED HOLE(S); Overall Height: 6.690 INCHES NOMINAL IN; FSC Application Data: TEST SET,ELECT. EQUIP.; Indicator Type: DIAL W/POINTER. 26 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.