The Voltmeter, cataloged under National Stock Number 6625-00-539-8473, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Jewell Instruments Llc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-539-8473 |
| Primary Part Number | HM3 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Jewell Instruments Llc |
| Status | ACTIVE |
| Meter Body Diameter Behind Mounting Flange | 2.675 INCHES NOMINAL IN |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Meter Depth Behind Mounting Flange | 1.060 INCHES NOMINAL IN |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Circuit Attachment Method and Quantity | 2 SOLDER STUD |
| Installation Design | PANEL |
| Color | UNABLE TO DECODE |
| Mounting Hole Diameter | 0.150 INCHES NOMINAL IN |
| Indicator Type | DIAL W/POINTER |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Style Designator | ROUND FLUSH MTG |
| Measurement Range | +0.0 TO 0.5 VOLTS, AC SINGLE INDICATOR SINGLE RANGE |
| Circuit Current for Which Designed | AC |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Sensitivity Rating | 2000.0 OHMS PER VOLT |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Features Provided | ZERO ADJUSTER |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Meter Body Diameter Behind Mounting Flange | 2.675 INCHES NOMINAL IN |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Meter Depth Behind Mounting Flange | 1.060 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | N |
| Unit of Issue | EA |
| SMR Code | X |
| Part Number | Manufacturer |
|---|---|
| HM3 | Jewell Instruments Llc (USA) |
NSN 6625-00-539-8473 is a Voltmeter, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-539-8473 has 1 cross-referenced part number: HM3 (Jewell Instruments Llc).
There are 12 known substitutes for 6625-00-539-8473: 6625-00-088-9106, 6625-00-255-5806, 6625-00-649-4962 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for HM3: Meter Body Diameter Behind Mounting Flange: 2.675 INCHES NOMINAL IN; Movement Type: MOVING COIL, PERMANENT MAGNET; Mounting Bolt Circle Diameter: 3.160 INCHES NOMINAL IN; Meter Depth Behind Mounting Flange: 1.060 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.