The Meter,electrical Frequency, cataloged under National Stock Number 6625-01-159-6446, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6625-01-159-6446 |
| Primary Part Number | 5055007 |
| Item Name | Meter,electrical Frequency |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 SCREW AND 3 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 2.760 INCHES NOMINAL IN |
| Operating Voltage Rating in Volts | 105.0 AC MINIMUM AND 135.0 AC MAXIMUM |
| Indicator Type | DIAL W/POINTER |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 SOLDER LUG AND 2 THREADED STUD |
| Meter Depth Behind Mounting Flange | 1.380 INCHES NOMINAL IN |
| Circuit Current for Which Designed | AC |
| Scale Selection Method | TERMINAL |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Accuracy in Percent | -0.25 TO 0.25 AT 1/2 SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Special Test Features | CONFORMS TO MIL-M-10304/12 |
| Dielectric Withstanding Voltage in Volts | 1500.0 |
| Supplementary Features | TRANSDUCER HAS TWO SCREW TERM. EA OF TWO SIDES |
| Power Source | EXTERNAL |
| Style Designator | ROUND FLUSH MTG |
| Mounting Hole Diameter | 0.150 INCHES NOMINAL IN |
| Features Provided | ZERO ADJUSTER |
| Scale Division Quantity | 40 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Surface Treatment | CADMIUM AND CHROMATE |
| Environmental Protection | COLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Special Markings | RED BAND FROM 360 TO 390 HZ AND FROM 410 TO 440 HZ; GREEN BAND FROM 390 TO 410 HZ |
| 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 | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Part Number | Manufacturer |
|---|---|
| 5055007 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| V50120 | 5/9 Secondary reference Crompton Metermaster |
| 5055007 | 3/9 Design control — primary reference Signals Warfare Project Manager |
| 5055007 | 5/9 Secondary reference Solartron Electronics Inc Weston Instruments Div |
| MMI-10109 | 5/9 Secondary reference Metermaster Inc Metermod Div |
NSN 6625-01-159-6446 is a Meter,electrical Frequency, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-159-6446 has 1 manufacturer part number on file: 5055007 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 5055007: Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 2.760 INCHES NOMINAL IN; Operating Voltage Rating in Volts: 105.0 AC MINIMUM AND 135.0 AC MAXIMUM; Indicator Type: DIAL W/POINTER. 28 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.