The Modulation Circuit, cataloged under National Stock Number 6625-01-077-4528, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-01-077-4528 |
| Item Name | Modulation Circuit |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Weight | 0.1700 lbs |
| Cube | 0.0486 cu ft |
| Reference | Meaning |
|---|---|
| 101802 | 3/9 Design control — primary reference Sierra Technologies Inc Garden City Div |
NSN 6625-01-077-4528 is a Modulation Circuit, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 6650-01-500-8046, 6150-01-682-2784, 5340-01-734-3505. Verify interchangeability with system specifications before substitution.
Key specifications for 6625-01-077-4528: End Item Identification: GENERAL PURPOSE TEST EQUIPMENT. 0 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.