The Meter,electrical Frequency, cataloged under National Stock Number 6625-01-031-5779, 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 M/j Industries Inc Dba National Control Systems. Government technical data includes 24 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-031-5779 |
| Primary Part Number | 009-004A000 |
| Item Name | Meter,electrical Frequency |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | M/j Industries Inc Dba National Control Systems |
| Status | ACTIVE |
| Register Quantity | 1 |
| Meter Body Diameter Behind Mounting Flange | 2.688 INCHES NOMINAL IN |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Operating Voltage Rating in Volts | 100.0 AC MINIMUM AND 132.0 AC MAXIMUM |
| Indicator Type | VIBRATING REED |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 SOLDER STUD |
| Meter Depth Behind Mounting Flange | 2.250 INCHES NOMINAL IN |
| Circuit Current for Which Designed | AC |
| Scale Selection Method | TERMINAL |
| Movement Type | VIBRATING REED |
| Accuracy in Percent | -3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Resonant Reed Quantity | 9 |
| Power Source | EXTERNAL |
| Style Designator | ROUND FLUSH MTG |
| Mounting Hole Diameter | 0.140 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Environmental Protection | HUMIDITY RESISTANT |
| Sensitivity Rating | 140.0 OHMS PER VOLT |
| Measurement Range | +56.0 TO 64.0 HERTZ SINGLE INDICATOR SINGLE RANGE |
| Furnished Items and Quantity | GASKET 1 |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Installation Design | PANEL |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 009-004A000 PRIMARY | M/j Industries Inc Dba National Control Systems (USA) |
NSN 6625-01-031-5779 is a Meter,electrical Frequency, manufactured by M/j Industries Inc Dba National Control Systems, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-031-5779 has 1 manufacturer part number on file: 009-004A000 (M/j Industries Inc Dba National Control Systems).
Key specifications for 009-004A000: Register Quantity: 1; Meter Body Diameter Behind Mounting Flange: 2.688 INCHES NOMINAL IN; FSC Application Data: TEST SET,ELECT. EQUIP.; Operating Voltage Rating in Volts: 100.0 AC MINIMUM AND 132.0 AC MAXIMUM. 24 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.