The Meter,electrical Frequency, cataloged under National Stock Number 6625-01-238-7971, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-238-7971 |
| Primary Part Number | 623-19157 |
| 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 |
| Meter Body Diameter Behind Mounting Flange | 2.210 INCHES NOMINAL IN |
| Indicator Type | DIAL W/POINTER |
| Circuit Attachment Method and Quantity | 2 THREADED STUD AND 2 SOLDER LUG |
| Meter Depth Behind Mounting Flange | 1.430 INCHES NOMINAL IN |
| Circuit Current for Which Designed | AC |
| Accuracy in Percent | -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 2.695 INCHES NOMINAL IN |
| Power Source | EXTERNAL |
| Style Designator | ROUND FLUSH MTG |
| Specification/standard Data | 82918-380-10354 MANUFACTURERS SOURCE CONTROL |
| Scale Division Quantity | 10 SINGLE INDICATOR SINGLE RANGE |
| Color | UNABLE TO DECODE |
| Pointer Color | WHITE SINGLE INDICATOR SINGLE RANGE |
| Dial Scale Marking Color | WHITE SINGLE INDICATOR SINGLE RANGE |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | +0.0 TO 1000.0 MEGAHERTZ SINGLE INDICATOR SINGLE RANGE |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Installation Design | PANEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | ZN |
| Weight | 1.0000 lbs |
| Cube | 0.0319 cu ft |
| Part Number | Manufacturer |
|---|---|
| 623-19157 PRIMARY | Phaostron Instrument and Electronic Company (USA) |
| Reference | Meaning |
|---|---|
| 380-10354-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 6625-01-238-7971 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 6625-01-238-7971 has 1 manufacturer part number on file: 623-19157 (Phaostron Instrument and Electronic Company).
Key specifications for 623-19157: Meter Body Diameter Behind Mounting Flange: 2.210 INCHES NOMINAL IN; Indicator Type: DIAL W/POINTER; Circuit Attachment Method and Quantity: 2 THREADED STUD AND 2 SOLDER LUG; Meter Depth Behind Mounting Flange: 1.430 INCHES NOMINAL IN. 18 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.
NSN 6625-01-238-7971 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.