The Voltmeter, cataloged under National Stock Number 6625-00-102-4742, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Rogerson Kratos. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-102-4742 |
| Primary Part Number | 31-320 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Rogerson Kratos |
| Status | ACTIVE |
| Furnished Items and Quantity | NUT 7; LOCKWASHER 5; SEAL 1 |
| Installation Design | PANEL |
| Overall Diameter | 2.578 INCHES MAXIMUM IN |
| Indicator Type | DIAL W/POINTER |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Bolt Circle Diameter | 3.156 INCHES NOMINAL IN |
| Meter Depth Behind Mounting Flange | 1.250 INCHES MAXIMUM IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Meter Body Diameter Behind Mounting Flange | 2.796 INCHES MAXIMUM IN |
| Sensitivity Rating | 30.0 VOLTS |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Scale Division Quantity | 60 SINGLE INDICATOR SINGLE RANGE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Scale Selection Method | TERMINAL |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Power Source | EXTERNAL |
| Special Test Features | COMPLIES WITH MIL-M-10304 |
| Mounting Facility Type and Quantity | 3 SCREW AND 3 UNTHREADED HOLE(S) |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Color | UNABLE TO DECODE |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Mounting Hole Diameter | 0.250 INCHES NOMINAL IN |
| Style Designator | ROUND FLUSH MTG |
| Surface Treatment | PAINT |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Circuit Current for Which Designed | AC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | N |
| Unit of Issue | EA |
| SMR Code | JN |
| Weight | 0.0100 lbs |
| Cube | 0.0010 cu ft |
| Part Number | Manufacturer |
|---|---|
| 31-320 PRIMARY | Rogerson Kratos (USA) |
| M-1828 | Metermaster Inc Miscorp Div (USA) |
| 990C952H01 | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
NSN 6625-00-102-4742 is a Voltmeter, manufactured by Rogerson Kratos, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-102-4742 has 3 cross-referenced part numbers: 31-320 (Rogerson Kratos), M-1828 (Metermaster Inc Miscorp Div), 990C952H01 (Northrop Grumman Systems Corporation Dba Electronic Systems).
There are 10 known substitutes for 6625-00-102-4742: 5920-00-057-2306, 5136-00-197-9569, 3020-00-404-7160 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 31-320: Furnished Items and Quantity: NUT 7; LOCKWASHER 5; SEAL 1; Installation Design: PANEL; Overall Diameter: 2.578 INCHES MAXIMUM IN; Overall Length: 2.515 INCHES MAXIMUM IN. 30 total characteristics are documented in the Federal Logistics Information System.