The Voltmeter, cataloged under National Stock Number 6625-01-237-4029, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hughes Corp Div Weschler Electric. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-237-4029 |
| Primary Part Number | 671B421A17 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Hughes Corp Div Weschler Electric |
| Status | CANCELLED |
| Circuit Current for Which Designed | DC |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Furnished Items and Quantity | MTG HDW 4; TERM. HDW 2 |
| Installation Design | PANEL |
| Meter Body Diameter Behind Mounting Flange | 3.960 INCHES NOMINAL IN |
| Indicator Type | DIAL W/POINTER |
| Accuracy in Percent | -1.5 TO 1.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 2.813 INCHES NOMINAL IN |
| Sensitivity Rating | 1000.0 OHMS PER VOLT |
| Measurement Range | +0.0 TO 400.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE |
| Mounting Facility Type and Quantity | 4 SCREW AND 4 UNTHREADED HOLE(S) |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Style Designator | RECTANGULAR FLUSH MTG |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Special Test Features | MEETS REQUIREMENTS OF MIL-M-16034 |
| Criticality Code Justification | FEAT |
| Features Provided | ZERO ADJUSTER |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Material | PLASTIC POLYCARBONATE |
| Power Source | EXTERNAL |
| Color | UNABLE TO DECODE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Hole Diameter | 0.313 INCHES NOMINAL IN |
| Scale Division Quantity | 40 SINGLE INDICATOR SINGLE RANGE |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Environmental Protection | CORROSION RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT |
| Acquisition Status | CANCELLED |
| Successor | 6625-00-649-1614 |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| SMR Code | Z |
| Weight | 4.3300 lbs |
| Cube | 0.1701 cu ft |
| Part Number | Manufacturer |
|---|---|
| MR49W400DCVVH | Yokogawa Corporation of America (USA) |
| MR49W400DCVVH | Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics (USA) |
| MMI-11061 | Metermaster Inc Metermod Div (USA) |
| 671B421A17 PRIMARY | Hughes Corp Div Weschler Electric (USA) |
| MK701-148 | Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics (USA) |
| HR59960N3-14A | Westinghouse Electric Corp Control Business Unit |
| 671B421A17 | Hughes Corp Div Dba Weschler Instruments (USA) |
| AD-9371-1PC18 | Oliver of Adrian, Inc. (USA) |
| MMI-11061 | Custom Metering Company Inc (USA) |
NSN 6625-01-237-4029 is a Voltmeter, manufactured by Hughes Corp Div Weschler Electric, classified under FSC 6625 (No Item Name Available). Status: cancelled.
NSN 6625-01-237-4029 has 9 cross-referenced part numbers: MR49W400DCVVH (Yokogawa Corporation of America), MR49W400DCVVH (Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics), MMI-11061 (Metermaster Inc Metermod Div), 671B421A17 (Hughes Corp Div Weschler Electric), MK701-148 (Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics) and 4 more.
There are 2 known substitutes for 6625-01-237-4029: 6625-01-270-3948, 6625-00-649-1614. Verify interchangeability with system specifications before substitution.
Key specifications for 671B421A17: Overall Height: 4.422 INCHES NOMINAL IN; Overall Length: 6.281 INCHES NOMINAL IN; Circuit Current for Which Designed: DC; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-01-237-4029 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.