The Meter,electrical Frequency, cataloged under National Stock Number 6625-00-654-9772, 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 Hickok Waekon Llc. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-654-9772 |
| Primary Part Number | 590-041 |
| Item Name | Meter,electrical Frequency |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Hickok Waekon Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 3.130 INCHES NOMINAL IN |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Operating Voltage Rating in Volts | 100.0 AC MINIMUM AND 125.0 AC MAXIMUM |
| Phase | SINGLE |
| Indicator Type | DIAL W/POINTER |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Circuit Attachment Method and Quantity | 1 CONNECTOR, RECEPTACLE |
| Meter Depth Behind Mounting Flange | 1.980 INCHES NOMINAL IN |
| Circuit Current for Which Designed | AC |
| Scale Selection Method | TERMINAL |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.53125 INCHES NOMINAL IN |
| Power Source | EXTERNAL |
| Style Designator | RECTANGULAR FLUSH MTG |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Features Provided | ZERO ADJUSTER |
| Scale Division Quantity | 60 SINGLE INDICATOR SINGLE RANGE |
| Color | UNABLE TO DECODE |
| Pointer Color | WHITE SINGLE INDICATOR SINGLE RANGE |
| Surface Treatment | ANODIZE |
| Frequency Rating | 400.0 HERTZ NOMINAL |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.53125 INCHES NOMINAL IN |
| Dial Scale Marking Color | WHITE SINGLE INDICATOR SINGLE RANGE |
| Material | STEEL |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Frequency Response Range | +350.000 TO 450.000 HERTZ |
| 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 | JN |
| Weight | 0.0100 lbs |
| Cube | 0.0010 cu ft |
NSN 6625-00-654-9772 is a Meter,electrical Frequency, manufactured by Hickok Waekon Llc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-654-9772 has 2 manufacturer part numbers on file: MK777-313 (Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics), 590-041 (Hickok Waekon Llc).
Key specifications for 590-041: Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 3.130 INCHES NOMINAL IN; Overall Height: 3.265 INCHES NOMINAL IN; FSC Application Data: TEST SET,ELECT. EQUIP.. 27 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.