The Voltmeter, cataloged under National Stock Number 6625-01-149-4739, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Jewell Instruments Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-149-4739 |
| Primary Part Number | 465-003 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Jewell Instruments Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 3.650 INCHES NOMINAL IN |
| Mounting Arrangement Style | SIX HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Meter Depth Behind Mounting Flange | 1.440 INCHES NOMINAL IN |
| Circuit Current for Which Designed | AC |
| Style Designator | ROUND SEMI-FLUSH MTG |
| Mounting Hole Diameter | 0.150 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 4.124 INCHES NOMINAL IN |
| Measurement Range | +0.0 TO 150.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE |
| Installation Design | PANEL |
| 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 | X |
| Unit of Issue | EA |
| Acquisition advice code | JN |
| Part Number | Manufacturer |
|---|---|
| 465-003 PRIMARY | Jewell Instruments Llc (USA) |
| Reference | Meaning |
|---|---|
| 5903384-4 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 6625-01-149-4739 is a Voltmeter, manufactured by Jewell Instruments Llc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-149-4739 has 1 manufacturer part number on file: 465-003 (Jewell Instruments Llc).
1 possible match (shared part number, not a government interchangeability claim): 6750-01-427-4319. Verify interchangeability with system specifications before substitution.
Key specifications for 465-003: Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 3.650 INCHES NOMINAL IN; Mounting Arrangement Style: SIX HOLE/STUD BOLT CIRCLE; Circuit Attachment Method and Quantity: 2 THREADED STUD. 11 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.