The Voltmeter, cataloged under National Stock Number 6625-00-889-1745, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hughes Corp Div Dba Weschler Instruments. Government technical data includes 28 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-889-1745 |
| Primary Part Number | MR49W450AFH |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Hughes Corp Div Dba Weschler Instruments |
| Status | ACTIVE |
| Mounting Stud Diameter | 0.250 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.375 INCHES NOMINAL IN |
| Movement Suspension Method | TAUT BAND |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Installation Design | PANEL |
| Meter Body Diameter Behind Mounting Flange | 3.980 INCHES MAXIMUM IN |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Meter Depth Behind Mounting Flange | 10.000 INCHES MAXIMUM IN |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Color | UNABLE TO DECODE |
| Features Provided | MAGNETIC SHIELD AND ZERO ADJUSTER |
| Material | PLASTIC |
| Environmental Protection | DUSTPROOF |
| Frequency Response Range | +390.000 TO 410.000 HERTZ |
| Indicator Type | DIAL W/POINTER |
| Accuracy in Percent | -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Style Designator | RECTANGULAR FLUSH MTG |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Scale Division Quantity | 40 SINGLE INDICATOR SINGLE RANGE |
| Scale Selection Method | SWITCH |
| Test Data Document | 81349-MIL-M-10304 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Movement Type | MOVING IRON VANE |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Measurement Range | +430.0 TO 470.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE |
| Circuit Current for Which Designed | AC |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.375 INCHES NOMINAL IN |
| Power Source | EXTERNAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| SMR Code | ZF |
| Weight | 3.0000 lbs |
| Cube | 0.1389 cu ft |
| Part Number | Manufacturer |
|---|---|
| MR49W450AFH | Hughes Corp Div Dba Weschler Instruments (USA) |
| MR49W450AFH493-014 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-V-23151 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 953-39 | Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA) |
| MR49W450AFN | L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA) |
| MR49W450AFH | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MR49W450AFM | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 6625-00-889-1745 is a Voltmeter, manufactured by Hughes Corp Div Dba Weschler Instruments, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-889-1745 has 7 cross-referenced part numbers: MR49W450AFH (Hughes Corp Div Dba Weschler Instruments), MR49W450AFH493-014 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-V-23151 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 953-39 (Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging), MR49W450AFN (L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation) and 2 more.
There are 9 known substitutes for 6625-00-889-1745: 5305-00-151-1373, 6625-00-243-4341, 6625-00-771-7209 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for MR49W450AFH: Mounting Stud Diameter: 0.250 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.375 INCHES NOMINAL IN; Movement Suspension Method: TAUT BAND; Circuit Attachment Method and Quantity: 2 THREADED STUD. 30 total characteristics are documented in the Federal Logistics Information System.