The Voltmeter, cataloged under National Stock Number 6625-00-649-4560, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Telectro Systems Corp. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-649-4560 |
| Primary Part Number | TM179 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Telectro Systems Corp |
| Status | CANCELLED |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Meter Body Diameter Behind Mounting Flange | 2.680 INCHES NOMINAL IN |
| Overall Diameter | 3.510 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Scale Division Quantity | 15 SINGLE INDICATOR SINGLE RANGE |
| Mounting Facility Type and Quantity | 3 SCREW AND 3 UNTHREADED HOLE(S) |
| Measurement Range | +75.0 TO 150.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE |
| Special Markings | GREEN BAND FROM 103V TO 127V; ABOVE BAND MARK NORMAL V |
| Style Designator | ROUND FLUSH MTG |
| Environmental Protection | AIRTIGHT AND COLD RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT |
| Meter Depth Behind Mounting Flange | 1.063 INCHES NOMINAL IN |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Material | STEEL |
| Installation Design | PANEL |
| Features Provided | ZERO ADJUSTER |
| Indicator Type | DIAL W/POINTER |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Mounting Hole Diameter | 0.150 INCHES NOMINAL IN |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Frequency Response Range | +0.050 TO 1.600 KILOHERTZ |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Circuit Current for Which Designed | AC |
| Surface Treatment | PAINT |
| Color | UNABLE TO DECODE |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Furnished Items and Quantity | NUT 3; WASHER 3 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| SMR Code | J |
| Weight | 0.6700 lbs |
| Cube | 0.1576 cu ft |
NSN 6625-00-649-4560 is a Voltmeter, manufactured by Telectro Systems Corp, classified under FSC 6625 (No Item Name Available). Status: cancelled.
NSN 6625-00-649-4560 has 5 cross-referenced part numbers: TM179 (Telectro Systems Corp), HM3-3 1-2 (Jewell Instruments Llc), 452-2058 (Roper Industries Inc Roper Pump Co Div), HS3 (Jewell Instruments Llc), 300581 (Agilent Technologies Inc. Div Power Products Site).
There are 12 known substitutes for 6625-00-649-4560: 6625-00-189-3836, 6625-00-643-1751, 5999-00-677-9861 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for TM179: Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE; Meter Body Diameter Behind Mounting Flange: 2.680 INCHES NOMINAL IN; Overall Diameter: 3.510 INCHES NOMINAL IN; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-649-4560 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.