The Meter,electrical Frequency, cataloged under National Stock Number 6625-00-252-0050, 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 Phaostron Instrument and Electronic Company. Government technical data includes 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-252-0050 |
| Primary Part Number | 30-014057 |
| Item Name | Meter,electrical Frequency |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Phaostron Instrument and Electronic Company |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 SCREW AND 3 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 2.800 INCHES NOMINAL IN |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Indicator Type | DIAL W/POINTER |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Meter Depth Behind Mounting Flange | 1.660 INCHES NOMINAL IN |
| Circuit Current for Which Designed | AC |
| Movement Type | MOVING IRON VANE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 3.510 INCHES NOMINAL IN |
| Power Source | EXTERNAL |
| Style Designator | ROUND FLUSH MTG |
| Mounting Hole Diameter | 0.151 INCHES NOMINAL IN |
| Features Provided | ZERO ADJUSTER |
| Scale Division Quantity | 48 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | TAUT BAND |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Special Markings | PLUS SIGN ABOVE POSITIVE TERMINAL; SEALED DO NOT OPEN ON BACK OF METER |
| Material | STEEL |
| Sensitivity Rating | 200.0 MICROAMPERES |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Frequency Response Range | +388.000 TO 412.000 HERTZ |
| Measurement Range | +388.0 TO 412.0 HERTZ SINGLE INDICATOR SINGLE RANGE |
| Furnished Items and Quantity | NUT 5; WASHER 5 |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 30-014057 PRIMARY | Phaostron Instrument and Electronic Company (USA) |
| Reference | Meaning |
|---|---|
| 515-0114 | 5/2 Secondary reference U.S. Government activity |
NSN 6625-00-252-0050 is a Meter,electrical Frequency, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-252-0050 has 1 manufacturer part number on file: 30-014057 (Phaostron Instrument and Electronic Company).
Key specifications for 30-014057: Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 2.800 INCHES NOMINAL IN; FSC Application Data: TEST SET,ELECT. EQUIP.; Indicator Type: DIAL W/POINTER. 29 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.