The Ammeter, cataloged under National Stock Number 6625-01-047-4881, 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 Ametek Programmable Power, Inc.. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6625-01-047-4881 |
| Primary Part Number | 857-290-90 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Ametek Programmable Power, Inc. |
| Status | ACTIVE |
| Circuit Construction Type | NONELECTRONIC |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) |
| Meter Body Diameter Behind Mounting Flange | 2.190 INCHES NOMINAL IN |
| FSC Application Data | TEST SET,ELECTRONIC EQUIPMENT |
| 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 | 1.010 INCHES NOMINAL IN |
| Circuit Current for Which Designed | AC |
| Movement Type | MOVING IRON VANE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Mounting Stud Diameter | 0.112 INCHES NOMINAL IN |
| Panel for Which Designed | MAGNETIC OR NONMAGNETIC |
| Power Source | EXTERNAL |
| Style Designator | RECTANGULAR FLUSH MTG |
| Features Provided | NONGLARE GLASS AND ZERO ADJUSTER |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | TAUT BAND |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Mounting Stud Length | 0.450 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Special Markings | + SIGN ON REAR OF CASE |
| Material | PLASTIC |
| Sensitivity Rating | 10.0 AMPERES |
| 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 | JN |
| Weight | 0.3900 lbs |
| Cube | 0.0370 cu ft |
| Part Number | Manufacturer |
|---|---|
| MS2T-010ADC | Jewell Instruments Llc (USA) |
| 857-290-90 PRIMARY | Ametek Programmable Power, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MS2T | 5/1 Secondary reference Jewell Instruments Llc |
NSN 6625-01-047-4881 is a Ammeter, manufactured by Ametek Programmable Power, Inc., classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-047-4881 has 2 manufacturer part numbers on file: MS2T-010ADC (Jewell Instruments Llc), 857-290-90 (Ametek Programmable Power, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 6625-01-121-9594, 6625-01-121-9596. Verify interchangeability with system specifications before substitution.
Key specifications for 857-290-90: Circuit Construction Type: NONELECTRONIC; Mounting Facility Type and Quantity: 3 THREADED STUD(S); Meter Body Diameter Behind Mounting Flange: 2.190 INCHES NOMINAL IN; Overall Height: 2.730 INCHES NOMINAL IN. 27 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.