The Voltmeter, cataloged under National Stock Number 6625-00-853-0241, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Custom Metering Company Inc. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-853-0241 |
| Primary Part Number | B1 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Custom Metering Company Inc |
| Status | ACTIVE |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Frequency Rating | 60.000 HERTZ NOMINAL |
| Overall Diameter | 3.510 INCHES NOMINAL IN |
| Surface Treatment | ENAMEL |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES |
| Style Designator | CYLINDRICAL |
| Power Source | EXTERNAL |
| Operating Voltage Rating in Volts | 6.3 AC NOMINAL |
| Measurement Range | +0.0 TO 1.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE |
| Phase | SINGLE |
| Installation Design | PANEL |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.156 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.156 INCHES NOMINAL IN |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Frequency Rating | 60.000 HERTZ NOMINAL |
| Overall Diameter | 3.510 INCHES NOMINAL IN |
| Surface Treatment | ENAMEL |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES |
| Style Designator | CYLINDRICAL |
| Power Source | EXTERNAL |
| Operating Voltage Rating in Volts | 6.3 AC NOMINAL |
| Measurement Range | +0.0 TO 1.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE |
| Phase | SINGLE |
| Installation Design | PANEL |
| Acquisition Status | ACTIVE |
| Successor | 6145-00-128-8690 (B1) |
| HAZMAT | No |
NSN 6625-00-853-0241 is a Voltmeter, manufactured by Custom Metering Company Inc, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-853-0241 has 3 cross-referenced part numbers: B1 (Custom Metering Company Inc), B1 (Metermaster Inc Metermod Div), B1 (Trio Laboratories Inc).
There are 2 known substitutes for 6625-00-853-0241: 6145-00-128-8690, 5998-01-347-7997. Verify interchangeability with system specifications before substitution.
Key specifications for B1: Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Frequency Rating: 60.000 HERTZ NOMINAL; Overall Diameter: 3.510 INCHES NOMINAL IN; Surface Treatment: ENAMEL. 30 total characteristics are documented in the Federal Logistics Information System.