The Test Set Subassembly,electrical, cataloged under National Stock Number 6625-01-028-0428, 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 Telephonics Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-028-0428 |
| Primary Part Number | 270C688 |
| Item Name | Test Set Subassembly,electrical |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Telephonics Corp |
| Status | ACTIVE |
| Component Type and Quantity | 2 BRACKET AND 1 COVER AND 1 LENS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Part Number | Manufacturer |
|---|---|
| 270C688 PRIMARY | Telephonics Corp (USA) |
| Reference | Meaning |
|---|---|
| 270C688 | 5/9 Secondary reference Instrument Systems Corp |
NSN 6625-01-028-0428 is a Test Set Subassembly,electrical, manufactured by Telephonics Corp, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-028-0428 has 1 manufacturer part number on file: 270C688 (Telephonics Corp).
Key specifications for 270C688: Component Type and Quantity: 2 BRACKET AND 1 COVER AND 1 LENS; End Item Identification: 5831-00-522-7031 CONTROL,INTERCOMMUNICATION SET. 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 6625-01-028-0428 has DEMIL Code B. 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.