The Voltmeter, cataloged under National Stock Number 6625-01-232-2738, 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 Lockheed Martin Corporation Div Rotary and Mission Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-232-2738 |
| Primary Part Number | 63A104774P91 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| 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 | 5.840 INCHES NOMINAL IN |
| Circuit Current for Which Designed | AC |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Meter Body Height Behind Mounting Flange | 1.225 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 6.045 INCHES MINIMUM AND 6.055 INCHES MAXIMUM IN |
| Mounting Stud Diameter | 0.190 INCHES NOMINAL IN |
| Special Test Features | COMPLIES WITH MIL-M-10304 |
| Dielectric Withstanding Voltage in Volts | 1500.0 |
| Power Source | EXTERNAL |
| Style Designator | RECTANGULAR FLUSH MTG |
| Features Provided | MAGNETIC SHIELD AND ZERO ADJUSTER |
| Scale Division Quantity | 60 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Meter Body Width Behind Mounting Flange | 5.435 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Surface Treatment | PAINT |
| Environmental Protection | DRIPPROOF AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT |
| Mounting Stud Length | 1.270 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.720 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Weight | 2.3700 lbs |
| Cube | 0.0079 cu ft |
| Part Number | Manufacturer |
|---|---|
| 63A104774P91 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| 9-2150-822 | Prime Technology Llc (USA) |
| Reference | Meaning |
|---|---|
| 9-2150-822 | 5/9 Secondary reference U.S. Government activity |
NSN 6625-01-232-2738 is a Voltmeter, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-232-2738 has 2 manufacturer part numbers on file: 63A104774P91 (Lockheed Martin Corporation Div Rotary and Mission Systems), 9-2150-822 (Prime Technology Llc).
Key specifications for 63A104774P91: Mounting Facility Type and Quantity: 4 THREADED STUD(S); Overall Height: 1.540 INCHES NOMINAL IN; FSC Application Data: TEST SET,ELECT. EQUIP.; Indicator Type: DIAL W/POINTER. 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.
NSN 6625-01-232-2738 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.