The Ammeter, cataloged under National Stock Number 6625-00-993-1883, 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 Grimes Aerospace Company. Government technical data includes 14 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-993-1883 |
| Primary Part Number | 70C12 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Meter Body Diameter Behind Mounting Flange | 2.000 INCHES NOMINAL IN |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Meter Depth Behind Mounting Flange | 0.828 INCHES NOMINAL IN |
| Circuit Current for Which Designed | DC |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Accuracy in Percent | -5.0 TO 5.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 2.250 INCHES NOMINAL IN |
| Style Designator | ROUND FLUSH MTG |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Color | UNABLE TO DECODE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Sensitivity Rating | 40.0 MILLIVOLTS |
| Measurement Range | +0.0 TO 4.0 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 | JN |
| Weight | 0.2800 lbs |
| Cube | 0.0208 cu ft |
| Part Number | Manufacturer |
|---|---|
| 70C12 PRIMARY | Grimes Aerospace Company (USA) |
NSN 6625-00-993-1883 is a Ammeter, manufactured by Grimes Aerospace Company, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-993-1883 has 1 manufacturer part number on file: 70C12 (Grimes Aerospace Company).
Key specifications for 70C12: Meter Body Diameter Behind Mounting Flange: 2.000 INCHES NOMINAL IN; Circuit Attachment Method and Quantity: 2 THREADED STUD; Meter Depth Behind Mounting Flange: 0.828 INCHES NOMINAL IN; Circuit Current for Which Designed: DC. 14 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.