The Meter,audio Level, cataloged under National Stock Number 6625-00-643-3146, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Dar Electronics Inc Dba National Radio Co. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, 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 | 6625-00-643-3146 |
| Primary Part Number | H344 |
| Item Name | Meter,audio Level |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Dar Electronics Inc Dba National Radio Co |
| Status | ACTIVE |
| Indicator Type | DIAL W/POINTER |
| Accuracy in Percent | -5.0 TO 5.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Features Provided | ZERO ADJUSTER |
| Meter Body Diameter Behind Mounting Flange | 2.210 INCHES NOMINAL IN |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Meter Depth Behind Mounting Flange | 1.600 INCHES NOMINAL IN |
| Measurement Range | -10.0 TO 20.0 DECIBELS SINGLE INDICATOR SINGLE RANGE |
| Movement Type | MOVING IRON VANE |
| Environmental Protection | SHOCK RESISTANT AND VIBRATION RESISTANT |
| Installation Design | PANEL |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Color | UNABLE TO DECODE |
| Material | ALUMINUM AND STEEL |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 2.695 INCHES NOMINAL IN |
| Style Designator | ROUND FLUSH MTG |
| Special Markings | 1.9 V BELOW 0 POINT ON SCALE; RECTIFIER TYPE; ZERO POWER LEVEL; 6 MILLIWATTS 600 OHMS V |
| Surface Treatment | ENAMEL |
| Power Source | EXTERNAL |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Circuit Current for Which Designed | AC |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Scale Division Quantity | 31 SINGLE INDICATOR SINGLE RANGE |
| Acquisition Status | ACTIVE |
| Successor | 6625-00-504-2980 |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | JZ |
| Part Number | Manufacturer |
|---|---|
| H344 | Dar Electronics Inc Dba National Radio Co (USA) |
| 2DU347 | Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA) |
| MODEL146-S03673 | Simpson Electric Company, Inc. (USA) |
| 203-4 | Jewell Instruments Llc (USA) |
| 506 | Solartron Electronics Inc Weston Instruments Div (USA) |
| 2DU347 | American Instrument Corp (USA) |
| A3-236B | Metermaster Inc Metermod Div (USA) |
| A3-236B | Espey Mfg and Electronics Corp (USA) |
NSN 6625-00-643-3146 is a Meter,audio Level, manufactured by Dar Electronics Inc Dba National Radio Co, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-643-3146 has 8 cross-referenced part numbers: H344 (Dar Electronics Inc Dba National Radio Co), 2DU347 (Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc), MODEL146-S03673 (Simpson Electric Company, Inc.), 203-4 (Jewell Instruments Llc), 506 (Solartron Electronics Inc Weston Instruments Div) and 3 more.
There are 12 known substitutes for 6625-00-643-3146: 6625-00-504-2980, 6625-01-462-6376, 6625-01-540-3811 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for H344: Indicator Type: DIAL W/POINTER; Special Features: RUGGEDIZED; Accuracy in Percent: -5.0 TO 5.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE; Features Provided: ZERO ADJUSTER. 30 total characteristics are documented in the Federal Logistics Information System.