The Ammeter, cataloged under National Stock Number 6625-01-355-7281, 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 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. Government technical data includes 26 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6625-01-355-7281 |
| Primary Part Number | 740108PC4 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
| Status | ACTIVE |
| Circuit Construction Type | NONELECTRONIC |
| Mounting Facility Type and Quantity | 4 SCREW AND 4 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 3.960 INCHES NOMINAL IN |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Indicator Type | DIAL W/POINTER |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Meter Depth Behind Mounting Flange | 3.750 INCHES NOMINAL IN |
| Circuit Current for Which Designed | DC |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Accuracy in Percent | -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.375 INCHES NOMINAL IN |
| Panel for Which Designed | NONMAGNETIC |
| Power Source | EXTERNAL |
| Style Designator | RECTANGULAR FLUSH MTG |
| Mounting Hole Diameter | 0.312 INCHES NOMINAL IN |
| Features Provided | ZERO ADJUSTER |
| Scale Division Quantity | 40 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | TAUT BAND |
| Color | UNABLE TO DECODE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Environmental Protection | SHOCK RESISTANT AND SPLASH PROOF AND VIBRATION RESISTANT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.375 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Material | STEEL |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| 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 |
| Weight | 1.8100 lbs |
| Cube | 0.2083 cu ft |
| Part Number | Manufacturer |
|---|---|
| 740108PC4 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 740108PC4 | 5/9 Secondary reference Metermaster Inc Miscorp Div |
| MMI-11434 | 5/9 Secondary reference Metermaster Inc Metermod Div |
NSN 6625-01-355-7281 is a Ammeter, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-355-7281 has 1 manufacturer part number on file: 740108PC4 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).
Key specifications for 740108PC4: Circuit Construction Type: NONELECTRONIC; Mounting Facility Type and Quantity: 4 SCREW AND 4 UNTHREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 3.960 INCHES NOMINAL IN; Overall Height: 4.422 INCHES NOMINAL IN. 26 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.