The Voltmeter, cataloged under National Stock Number 6625-00-753-2115, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-753-2115 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Status | ACTIVE |
| Phase | SINGLE |
| Relationship to Similar Equipment | SIMILAR TO AN/USM-98A (JOHN FLUKE801A) A |
| Power Source | EXTERNAL |
| Reference Data and Literature | TM11-6625-599-12; TM11-6625-599-20P; TM11-6625-599-45; TM11-6625-599-45P; JOHN FLUKE MANUFACTURING CO. 801B |
| Features Provided | ZERO ADJUSTER |
| Functional Classification | AA-1.1 |
| Entry Date | 70-10-01 |
| Surface Treatment | ENAMEL |
| Functional Description | USED TO MEASURE VOLTAGE BETWEEN 0TO 500 VDC AND RESISTANCE BETWEEN 1 AND 500,000 MEGOHMS; CAN FUNCTION AS A VACUUM TUBE VOLTMETER OR DIFFERENTIAL VOLTMETER VDC |
| Frequency Rating | 50.000 HERTZ MINIMUM AND 60.000 HERTZ MAXIMUM |
| Dial Scale Marking Color | BLACK ALL INDICATORS SINGLE RANGE |
| Sensitivity Rating | 1000.0 MICROAMPERES |
| Measurement Range | +0.0 TO 500.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE |
| Furnished Items and Quantity | TEST LEAD SET 1 |
| Type/model Designation | AN/USM-98B |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | N |
| Unit of Issue | EA |
| Acquisition advice code | A |
| Weight | 22.3000 lbs |
| Cube | 1.3021 cu ft |
| Reference | Meaning |
|---|---|
| ANUSM98 | 3/2 Design control — primary reference U.S. Government activity |
| ANUSM98A | 5/2 Secondary reference U.S. Government activity |
NSN 6625-00-753-2115 is a Voltmeter, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
Key specifications for 6625-00-753-2115: Overall Height: 9.750 INCHES NOMINAL IN; Phase: SINGLE; Relationship to Similar Equipment: SIMILAR TO AN/USM-98A (JOHN FLUKE801A) A; Power Source: EXTERNAL. 15 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.