The Ammeter, cataloged under National Stock Number 6625-00-720-2871, 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 The Dewey Electronics Corporation Div Pitometer Log Division. Government technical data includes 27 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. 3 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 | 6625-00-720-2871 |
| Primary Part Number | 6581 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | The Dewey Electronics Corporation Div Pitometer Log Division |
| Status | ACTIVE |
| Circuit Construction Type | NONELECTRONIC |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Meter Body Diameter Behind Mounting Flange | 1.500 INCHES NOMINAL IN |
| FSC Application Data | TEST SET ELECTRONIC |
| Indicator Type | DIAL W/POINTER |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Circuit Attachment Method and Quantity | 2 SOLDER STUD |
| Meter Depth Behind Mounting Flange | 1.000 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 |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.312 INCHES NOMINAL IN |
| Mounting Stud Diameter | 0.112 INCHES NOMINAL IN |
| Panel for Which Designed | MAGNETIC |
| Style Designator | RECTANGULAR FLUSH MTG |
| Features Provided | MAGNETIC SHIELD |
| Scale Division Quantity | 10 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Color | UNABLE TO DECODE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Surface Treatment | ENAMEL LUSTERLESS |
| Environmental Protection | DUSTPROOF |
| Mounting Stud Length | 0.375 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.312 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Special Markings | MARKED WITH RED AREA 0.080 IN SIDE STARTING 0 ON SCALE IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 6581 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
NSN 6625-00-720-2871 is a Ammeter, manufactured by The Dewey Electronics Corporation Div Pitometer Log Division, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-720-2871 has 1 manufacturer part number on file: 6581 (The Dewey Electronics Corporation Div Pitometer Log Division).
3 possible matches (shared part number, not a government interchangeability claim): 5995-01-209-7015, 5305-01-260-5845, 8445-01-390-8287. Verify interchangeability with system specifications before substitution.
Key specifications for 6581: Circuit Construction Type: NONELECTRONIC; Mounting Facility Type and Quantity: 4 THREADED STUD(S); Meter Body Diameter Behind Mounting Flange: 1.500 INCHES NOMINAL IN; Overall Height: 1.750 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.