The Ammeter, cataloged under National Stock Number 6625-00-649-3602, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-649-3602 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 2.250 INCHES NOMINAL IN |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Circuit Attachment Method and Quantity | 2 BINDING POST |
| Meter Depth Behind Mounting Flange | 0.830 INCHES NOMINAL IN |
| Circuit Current for Which Designed | DC |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.856 INCHES NOMINAL IN |
| Style Designator | ROUND FLUSH MTG W/4 TABS |
| Mounting Hole Diameter | 0.172 INCHES NOMINAL IN |
| Scale Division Quantity | 20 SINGLE INDICATOR SINGLE RANGE |
| Color | UNABLE TO DECODE |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.856 INCHES NOMINAL IN |
| Dial Scale Marking Color | WHITE SINGLE INDICATOR SINGLE RANGE |
| Material | PLASTIC |
| Sensitivity Rating | 50.0 MILLIVOLTS |
| Measurement Range | +0.0 TO 50.0 AMPERES, DC 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 | X |
| Unit of Issue | EA |
| Acquisition advice code | LN |
| Reference | Meaning |
|---|---|
| 156418 | 3/9 Design control — primary reference Solartron Electronics Inc Weston Instruments Div |
NSN 6625-00-649-3602 is a Ammeter, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-700-4152. Verify interchangeability with system specifications before substitution.
Key specifications for 6625-00-649-3602: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 2.250 INCHES NOMINAL IN; Overall Height: 2.380 INCHES NOMINAL IN; Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE. 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.
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.