The Test Set,radio, cataloged under National Stock Number 6625-00-643-2810, 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 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 6625-00-643-2810 |
| Item Name | Test Set,radio |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Status | ACTIVE |
| Length | 7.870 INCHES NOMINAL IN |
| Major Components | AMMETER; JACK; TUNING TOOL; POTENTIOMETER |
| Accessory Identifying Number | IS-125 TYPE NO. AND JK-34A TYPE NO. AND TL-140 TYPE NO. AND RS-199 TYPE NO. A |
| DC Voltage Rating | 9.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Electrical Power Source Relationship | OPERATING |
| Height | 5.250 INCHES NOMINAL IN |
| Accessory Controlling Agency | SIG C |
| Width | 4.870 INCHES NOMINAL IN |
| Material | WOOD CARRYING CASE |
| Accessory Component Quantity | 4 |
| Test Type for Which Designed | TUNNING AND ADJUSTING RELAY OF SIIG C RADIO RECEIVER 3C-301; PRE-FLIGHT TEST OF SIG C MARKER BEACON RECEIVING EQUIPMENT RC-20 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| BE67 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6625-00-643-2810 is a Test Set,radio, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5360-01-229-8435. Verify interchangeability with system specifications before substitution.
Key specifications for 6625-00-643-2810: Length: 7.870 INCHES NOMINAL IN; Major Components: AMMETER; JACK; TUNING TOOL; POTENTIOMETER; Accessory Identifying Number: IS-125 TYPE NO. AND JK-34A TYPE NO. AND TL-140 TYPE NO. AND RS-199 TYPE NO. A; DC Voltage Rating: 9.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED. 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.