The Voltmeter, cataloged under National Stock Number 6625-00-891-3331, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-891-3331 |
| Primary Part Number | 421-39 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Jewell Instruments Llc |
| Status | ACTIVE |
| Circuit Attachment Method and Quantity | 2 BINDING POST |
| Measurement Range | +5.5 TO 7.5 VOLTS, AC SINGLE INDICATOR SINGLE RANGE |
| Color | UNABLE TO DECODE |
| Scale Division Quantity | 40 SINGLE INDICATOR SINGLE RANGE |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Style Designator | ROUND FLUSH MTG |
| Nuclear Hardness Critical Feature | NONHARDENED |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Mounting Bolt Circle Diameter | 1.220 INCHES NOMINAL IN |
| Meter Body Diameter Behind Mounting Flange | 2.050 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 2.690 INCHES NOMINAL IN |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Mounting Stud Length | 0.500 INCHES NOMINAL IN |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Indicator Type | DIAL W/POINTER |
| Meter Depth Behind Mounting Flange | 1.380 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Mounting Stud Diameter | 0.112 INCHES NOMINAL IN |
| Power Source | EXTERNAL |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Circuit Current for Which Designed | AC |
| Features Provided | ZERO ADJUSTER |
| Circuit Attachment Method and Quantity | 2 BINDING POST |
| Measurement Range | +5.5 TO 7.5 VOLTS, AC SINGLE INDICATOR SINGLE RANGE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| SMR Code | X |
| Weight | 0.0100 lbs |
| Cube | 0.0010 cu ft |
| Part Number | Manufacturer |
|---|---|
| 4-08424-001 | Arma Div Ambac Industries Inc |
| 421-39 PRIMARY | Jewell Instruments Llc (USA) |
NSN 6625-00-891-3331 is a Voltmeter, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-891-3331 has 2 cross-referenced part numbers: 4-08424-001 (Arma Div Ambac Industries Inc), 421-39 (Jewell Instruments Llc).
There are 3 known substitutes for 6625-00-891-3331: 2940-00-313-1194, 4820-00-346-7387, 6680-01-100-0916. Verify interchangeability with system specifications before substitution.
Key specifications for 421-39: Circuit Attachment Method and Quantity: 2 BINDING POST; Overall Length: 2.420 INCHES NOMINAL IN; Measurement Range: +5.5 TO 7.5 VOLTS, AC SINGLE INDICATOR SINGLE RANGE; Color: UNABLE TO DECODE. 30 total characteristics are documented in the Federal Logistics Information System.