The Meter,electrical Frequency, cataloged under National Stock Number 6625-00-054-2038, 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 Simpson Electric Company, Inc.. Government technical data includes 28 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-054-2038 |
| Primary Part Number | S-10448 |
| Item Name | Meter,electrical Frequency |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Simpson Electric Company, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 FLANGE |
| Meter Body Diameter Behind Mounting Flange | 2.210 INCHES NOMINAL IN |
| Operating Voltage Rating in Volts | 65.0 AC NOMINAL |
| 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 | DC |
| Scale Selection Method | TERMINAL |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 2.695 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Style Designator | ROUND FLUSH MTG |
| Features Provided | MAGNETIC SHIELD |
| Scale Division Quantity | 10 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Pointer Color | WHITE SINGLE INDICATOR SINGLE RANGE |
| Mounting Stud Length | 0.375 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Special Markings | RED LINE AT 60 HERTZ |
| Sensitivity Rating | 200.0 MICROAMPERES |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Frequency Response Range | +55.000 TO 65.000 HERTZ |
| Measurement Range | +55.0 TO 65.0 HERTZ SINGLE INDICATOR SINGLE RANGE |
| 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 | Y |
| Unit of Issue | EA |
| Acquisition advice code | JN |
| Weight | 0.6169 lbs |
| Cube | 0.0508 cu ft |
| Part Number | Manufacturer |
|---|---|
| S-10448 PRIMARY | Simpson Electric Company, Inc. (USA) |
| 621-16645 PRIMARY | Phaostron Instrument and Electronic Company (USA) |
| 26-5772 PRIMARY | Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA) |
| Reference | Meaning |
|---|---|
| ADD3N20394 | 5/9 Secondary reference Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging |
| 6625000542038 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 200-11630 | 5/9 Secondary reference Phaostron Instrument and Electronic Company |
| 13211E6992-1 | 1/2 Source control — Government-approved source U.S. Government activity |
| JHP111-65 | 5/9 Secondary reference Hollingsworth John R Co |
| 268123 | 5/9 Secondary reference Solartron Electronics Inc Weston Instruments Div |
| 248268 | 5/9 Secondary reference Solartron Electronics Inc Weston Instruments Div |
NSN 6625-00-054-2038 is a Meter,electrical Frequency, manufactured by Simpson Electric Company, Inc., classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-054-2038 has 3 manufacturer part numbers on file: S-10448 (Simpson Electric Company, Inc.), 621-16645 (Phaostron Instrument and Electronic Company), 26-5772 (Ideal Precision Meter Co Dba Ideal Precision Meter Co).
2 possible matches (shared part number, not a government interchangeability claim): 3040-00-344-9649, 6525-01-386-5439. Verify interchangeability with system specifications before substitution.
Key specifications for S-10448: Mounting Facility Type and Quantity: 3 FLANGE; Meter Body Diameter Behind Mounting Flange: 2.210 INCHES NOMINAL IN; Operating Voltage Rating in Volts: 65.0 AC NOMINAL; Indicator Type: DIAL W/POINTER. 28 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.