The Voltmeter, cataloged under National Stock Number 6625-00-421-6560, 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 Astronics Test Systems Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-421-6560 |
| Primary Part Number | 5743-S-2181A |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Astronics Test Systems Inc |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | AS MODIFIED BY MFR SOURCE CONTROLLING DWG FSCM 82577 PART NO. 652893 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
| Weight | 1.0000 lbs |
| Cube | 0.0023 cu ft |
| Part Number | Manufacturer |
|---|---|
| 5743-S-2181A | Astronics Test Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 5743-1S2181 | 5/9 Secondary reference Astronics Test Systems Inc |
| 652893 | 1/3 Source control — Government-approved source U.S. Government activity |
NSN 6625-00-421-6560 is a Voltmeter, manufactured by Astronics Test Systems Inc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-421-6560 has 1 manufacturer part number on file: 5743-S-2181A (Astronics Test Systems Inc).
Key specifications for 5743-S-2181A: Special Features: 21.82 IN. LG,17 IN. W,5.25 IN. H IN; Reference Number Differentiating Characteristics: AS MODIFIED BY MFR SOURCE CONTROLLING DWG FSCM 82577 PART NO. 652893. 1 specification is 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.
NSN 6625-00-421-6560 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.