The Voltmeter, cataloged under National Stock Number 6625-01-124-4161, 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 Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6625-01-124-4161 |
| Primary Part Number | 365-533 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 2.750 INCHES NOMINAL IN |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 1 THREADED STUD |
| Meter Depth Behind Mounting Flange | 1.250 INCHES NOMINAL IN |
| Circuit Current for Which Designed | DC |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Style Designator | ROUND FLUSH MTG |
| Mounting Hole Diameter | 0.156 INCHES NOMINAL IN |
| Features Provided | ZERO ADJUSTER |
| Scale Division Quantity | 40 SINGLE INDICATOR SINGLE RANGE |
| Mounting Bolt Circle Diameter | 3.125 INCHES NOMINAL IN |
| Measurement Range | +0.0 TO 40.0 VOLTS, DC 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 |
|---|---|
| 365-533 PRIMARY | Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa (USA) |
| 365-533 | Jewell Instruments Llc (USA) |
| Reference | Meaning |
|---|---|
| JLA03-0033 | D/9 Drawing number reference only Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa |
NSN 6625-01-124-4161 is a Voltmeter, manufactured by Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-124-4161 has 2 manufacturer part numbers on file: 365-533 (Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa), 365-533 (Jewell Instruments Llc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-385-6482. Verify interchangeability with system specifications before substitution.
Key specifications for 365-533: Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 2.750 INCHES NOMINAL IN; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Circuit Attachment Method and Quantity: 1 THREADED STUD. 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.