The Meter,electrical Frequency, cataloged under National Stock Number 6625-00-045-7625, 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 Jewell Instruments Llc. Government technical data includes 25 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-045-7625 |
| Primary Part Number | ADD3N20395 |
| Item Name | Meter,electrical Frequency |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Jewell Instruments Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 FLANGE |
| Meter Body Diameter Behind Mounting Flange | 2.210 INCHES NOMINAL IN |
| 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 | 1.600 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 |
| Overall Diameter | 2.695 INCHES NOMINAL IN |
| Style Designator | ROUND FLUSH MTG |
| Features Provided | MAGNETIC SHIELD AND ZERO ADJUSTER |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Mounting Stud Length | 0.750 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Special Markings | RED LINE AT 400HZ |
| Sensitivity Rating | 200.0 MICROAMPERES AND 1100.0 OHMS PER VOLT |
| Scale Graduation Type | NONLINEAR SINGLE INDICATOR SINGLE RANGE |
| Frequency Response Range | +380.000 TO 420.000 HERTZ |
| Measurement Range | +380.0 TO 420.0 HERTZ SINGLE INDICATOR SINGLE RANGE |
| Nuclear Hardness Critical Feature | HARDENED |
| Installation Design | PANEL |
| 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 |
|---|---|
| ADD3N20395 | Jewell Instruments Llc (USA) |
| A46538 | Bogue Systems Inc Dba Bogue Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 2521-248216 | 5/9 Secondary reference Solartron Electronics Inc Weston Instruments Div |
| 13208E8533 | 5/2 Secondary reference U.S. Government activity |
| A46538 | 5/9 Secondary reference Bogue Electric Manufacturing Co |
| 13208E8533 | 1/2 Source control — Government-approved source U.S. Government activity |
| ADD3N20395 | 5/9 Secondary reference Esco Inc |
| 248216 | 3/9 Design control — primary reference Solartron Electronics Inc Weston Instruments Div |
NSN 6625-00-045-7625 is a Meter,electrical Frequency, manufactured by Jewell Instruments Llc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-045-7625 has 2 manufacturer part numbers on file: ADD3N20395 (Jewell Instruments Llc), A46538 (Bogue Systems Inc Dba Bogue Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-507-0125. Verify interchangeability with system specifications before substitution.
Key specifications for ADD3N20395: Mounting Facility Type and Quantity: 3 FLANGE; Meter Body Diameter Behind Mounting Flange: 2.210 INCHES NOMINAL IN; Indicator Type: DIAL W/POINTER; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE. 25 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.