The Voltmeter, cataloged under National Stock Number 6625-01-271-1775, 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 Yokogawa Corporation of America. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6625-01-271-1775 |
| Primary Part Number | 171011MTMT |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Yokogawa Corporation of America |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Meter Body Diameter Behind Mounting Flange | 2.700 INCHES MAXIMUM IN |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| 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 | 1.210 INCHES MAXIMUM IN |
| Circuit Current for Which Designed | DC |
| 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 | 4.000 INCHES NOMINAL IN |
| Mounting Stud Diameter | 0.112 INCHES NOMINAL IN |
| Power Source | EXTERNAL |
| Style Designator | ROUND FLUSH MTG W/4 TABS |
| Features Provided | ZERO ADJUSTER |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Color | UNABLE TO DECODE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Environmental Protection | DUSTPROOF |
| Mounting Stud Length | 0.500 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.562 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Sensitivity Rating | 10.0 VOLTS |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | +0.0 TO 10.0 VOLTS, DC 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 |
| Part Number | Manufacturer |
|---|---|
| 171011MTMT PRIMARY | Yokogawa Corporation of America (USA) |
| PM51 | Marine Electric Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 50-171011MTMT | C/1 Advisory reference — outside the item-of-supply concept General Electric Co Outdoor Breaker Business Section |
NSN 6625-01-271-1775 is a Voltmeter, manufactured by Yokogawa Corporation of America, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-271-1775 has 2 manufacturer part numbers on file: 171011MTMT (Yokogawa Corporation of America), PM51 (Marine Electric Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-627-0166. Verify interchangeability with system specifications before substitution.
Key specifications for 171011MTMT: Mounting Facility Type and Quantity: 4 THREADED STUD(S); Meter Body Diameter Behind Mounting Flange: 2.700 INCHES MAXIMUM IN; Overall Height: 4.410 INCHES NOMINAL IN; FSC Application Data: TEST SET,ELECT. EQUIP.. 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.