The Voltmeter, cataloged under National Stock Number 6625-00-542-1558, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simpson Electric Company, Inc.. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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 | 6625-00-542-1558 |
| Primary Part Number | 155 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Simpson Electric Company, Inc. |
| Status | CANCELLED |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 2.695 INCHES NOMINAL IN |
| Meter Depth Behind Mounting Flange | 1.750 INCHES NOMINAL IN |
| Scale Division Quantity | 30 SINGLE INDICATOR SINGLE RANGE |
| Dielectric Withstanding Voltage in Volts | 3000.0 |
| Movement Type | MOVING IRON VANE |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES |
| Indicator Type | DIAL W/POINTER |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Style Designator | ROUND FLUSH MTG |
| Mounting Facility Type and Quantity | 1 FLANGE AND 3 UNTHREADED HOLE(S) |
| Circuit Current for Which Designed | AC |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Meter Body Diameter Behind Mounting Flange | 2.210 INCHES NOMINAL IN |
| Installation Design | PANEL |
| Features Provided | MAGNETIC SHIELD |
| Furnished Items and Quantity | SCREW 4.40 THD 0.500 IN. LONG,RD HEAD,BLACK 3; WASHER LOCK 3; NUT HEX 3 IN |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | +0.0 TO 150.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE |
| Reliability Indicator | NOT ESTABLISHED |
| Movement Suspension Method | METAL PIVOT BASE |
| Criticality Code Justification | FEAT |
| Circuit Attachment Method and Quantity | 2 BINDING POST |
| Color | UNABLE TO DECODE |
| Acquisition Status | CANCELLED |
| Successor | 6625-00-555-3094 |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | DZ |
| Weight | 0.6100 lbs |
| Cube | 0.0247 cu ft |
| Part Number | Manufacturer |
|---|---|
| 155 | Simpson Electric Company, Inc. (USA) |
| MIL-M-10304/6 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-PRF-10304/6 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MILM10304C1-6CMR26W1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 1524CLASS52 | Solartron Electronics Inc Weston Instruments Div (USA) |
| MR26W150ACVVR | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 2060455-1 | L3harris Technologies, Inc. (USA) |
NSN 6625-00-542-1558 is a Voltmeter, manufactured by Simpson Electric Company, Inc., classified under FSC 6625 (No Item Name Available). Status: cancelled.
NSN 6625-00-542-1558 has 7 cross-referenced part numbers: 155 (Simpson Electric Company, Inc.), MIL-M-10304/6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-10304/6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILM10304C1-6CMR26W1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1524CLASS52 (Solartron Electronics Inc Weston Instruments Div) and 2 more.
There are 12 known substitutes for 6625-00-542-1558: 6625-00-151-4227, 6625-00-185-3209, 6625-00-243-3476 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 155: Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Overall Diameter: 2.695 INCHES NOMINAL IN; Meter Depth Behind Mounting Flange: 1.750 INCHES NOMINAL IN; Scale Division Quantity: 30 SINGLE INDICATOR SINGLE RANGE. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-542-1558 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.