The Meter,electrical Frequency, cataloged under National Stock Number 6625-00-065-8554, 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 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-065-8554 |
| Primary Part Number | ADD3-20395 |
| 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 | 2.220 INCHES NOMINAL IN |
| 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 |
| Overall Diameter | 2.695 INCHES NOMINAL IN |
| Style Designator | ROUND FLUSH MTG |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| 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 | JN |
| Weight | 0.6000 lbs |
| Cube | 0.0417 cu ft |
| Part Number | Manufacturer |
|---|---|
| 621-16646 | Phaostron Instrument and Electronic Company (USA) |
| ADD3-20395 PRIMARY | Jewell Instruments Llc (USA) |
| S-10952 | Simpson Electric Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6625000658554 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 248269 | 5/9 Secondary reference U.S. Government activity |
| 13211E6992-2 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 6625-00-065-8554 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 6625-00-065-8554 has 3 manufacturer part numbers on file: 621-16646 (Phaostron Instrument and Electronic Company), ADD3-20395 (Jewell Instruments Llc), S-10952 (Simpson Electric Company, Inc.).
Key specifications for ADD3-20395: Mounting Facility Type and Quantity: 3 FLANGE; Meter Body Diameter Behind Mounting Flange: 2.220 INCHES NOMINAL IN; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Circuit Attachment Method and Quantity: 2 THREADED STUD. 9 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.