The Voltmeter, cataloged under National Stock Number 6625-00-137-9039, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Phaostron Instrument and Electronic Company. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-137-9039 |
| Primary Part Number | 631-15737 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Phaostron Instrument and Electronic Company |
| Status | ACTIVE |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Current for Which Designed | DC |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| Dielectric Withstanding Voltage in Volts | 3000.0 |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Meter Body Diameter Behind Mounting Flange | 2.800 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Meter Depth Behind Mounting Flange | 1.660 INCHES NOMINAL IN |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Measurement Range | +0.0 TO 5.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Power Source | EXTERNAL |
| Reliability Indicator | NOT ESTABLISHED |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Style Designator | ROUND FLUSH MTG |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Environmental Protection | SHOCK RESISTANT AND VIBRATION RESISTANT |
| Surface Treatment | ENAMEL |
| Mounting Hole Diameter | 0.143 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN |
| Color | UNABLE TO DECODE |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Overall Diameter | 3.510 INCHES NOMINAL IN |
| Features Provided | MAGNETIC SHIELD AND ZERO ADJUSTER |
| Indicator Type | DIAL W/POINTER |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | N |
| Unit of Issue | EA |
| SMR Code | Y |
| Part Number | Manufacturer |
|---|---|
| 3023929-302-103 | Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions (USA) |
| 631-15737 PRIMARY | Phaostron Instrument and Electronic Company (USA) |
| 631 | Phaostron Instrument and Electronic Company (USA) |
NSN 6625-00-137-9039 is a Voltmeter, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-137-9039 has 3 cross-referenced part numbers: 3023929-302-103 (Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions), 631-15737 (Phaostron Instrument and Electronic Company), 631 (Phaostron Instrument and Electronic Company).
There are 2 known substitutes for 6625-00-137-9039: 5999-00-577-7418, 5999-01-295-5489. Verify interchangeability with system specifications before substitution.
Key specifications for 631-15737: Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Circuit Current for Which Designed: DC; Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE. 30 total characteristics are documented in the Federal Logistics Information System.