The Voltmeter, cataloged under National Stock Number 6625-01-121-9595, 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 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 | 6625-01-121-9595 |
| Primary Part Number | 857-504V2 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Ametek Programmable Power, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) |
| Meter Body Diameter Behind Mounting Flange | 2.156 INCHES NOMINAL IN |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| 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 | 1.094 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 | 0.125 INCHES NOMINAL IN |
| Power Source | EXTERNAL |
| Style Designator | RECTANGULAR FLUSH MTG |
| Features Provided | 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 | 0.500 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK AND GREEN AND YELLOW SINGLE INDICATOR SINGLE RANGE |
| Material | PLASTIC |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | +0.0 TO 50.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE |
| Furnished Items and Quantity | NUT 6; WASHER 6 |
| Nuclear Hardness Critical Feature | NONHARDENED |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 857-504V2 PRIMARY | Ametek Programmable Power, Inc. (USA) |
NSN 6625-01-121-9595 is a Voltmeter, manufactured by Ametek Programmable Power, Inc., classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-121-9595 has 1 manufacturer part number on file: 857-504V2 (Ametek Programmable Power, Inc.).
Key specifications for 857-504V2: Mounting Facility Type and Quantity: 3 THREADED STUD(S); Meter Body Diameter Behind Mounting Flange: 2.156 INCHES NOMINAL IN; Overall Height: 2.719 INCHES NOMINAL IN; FSC Application Data: TEST SET,ELECT. EQUIP.. 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.