The Voltmeter, cataloged under National Stock Number 6625-01-155-9685, 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 Reliance Comm/tec Corp Lorain Products Div. Government technical data includes 26 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 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 | 6625-01-155-9685 |
| Primary Part Number | 2944-668 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Reliance Comm/tec Corp Lorain Products Div |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Meter Body Diameter Behind Mounting Flange | 2.750 INCHES NOMINAL IN |
| FSC Application Data | ELECTRICAL AND ELECTRONIC PROPERTIES MEASURING AND TESTING INSTRUMENTS |
| Indicator Type | DIAL W/POINTER |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Meter Depth Behind Mounting Flange | 1.390 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 | 2.250 INCHES NOMINAL IN |
| Mounting Stud Diameter | 0.112 INCHES NOMINAL IN |
| Power Source | EXTERNAL |
| Style Designator | RECTANGULAR FLUSH MTG |
| Features Provided | ZERO ADJUSTER |
| Scale Division Quantity | 60 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Color | UNABLE TO DECODE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Environmental Protection | SHOCK RESISTANT AND VIBRATION RESISTANT |
| Mounting Stud Length | 0.546 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.250 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Material | PLASTIC |
| 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 | X |
NSN 6625-01-155-9685 is a Voltmeter, manufactured by Reliance Comm/tec Corp Lorain Products Div, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-155-9685 has 2 manufacturer part numbers on file: 2944-668 (Reliance Comm/tec Corp Lorain Products Div), 152-0128 (Triplett (bluffton) Corporation Dba Lfe Instruments).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-208-6611. Verify interchangeability with system specifications before substitution.
Key specifications for 2944-668: Mounting Facility Type and Quantity: 4 THREADED STUD(S); Meter Body Diameter Behind Mounting Flange: 2.750 INCHES NOMINAL IN; Overall Height: 2.990 INCHES NOMINAL IN; FSC Application Data: ELECTRICAL AND ELECTRONIC PROPERTIES MEASURING AND TESTING INSTRUMENTS. 26 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.