The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-276-4712, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Alpha Industries Inc Advanced Products Div. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5985-01-276-4712 |
| Primary Part Number | MT8640-89 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Alpha Industries Inc Advanced Products Div |
| Status | ACTIVE |
| Overall Diameter | 1.500 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Pole Quantity | 1 |
| Switch Type | NONTRANSFER |
| Terminal Type and Quantity | 7 CONNECTOR, RECEPTACLE |
| Throw Quantity | 6 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| MT8640-89 PRIMARY | Alpha Industries Inc Advanced Products Div (USA) |
| Reference | Meaning |
|---|---|
| 312237-002 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5985-01-276-4712 is a Switch,radio Frequency Transmiss, manufactured by Alpha Industries Inc Advanced Products Div, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-276-4712 has 1 manufacturer part number on file: MT8640-89 (Alpha Industries Inc Advanced Products Div).
Key specifications for MT8640-89: Overall Diameter: 1.500 INCHES NOMINAL IN; Criticality Code Justification: FEAT; Pole Quantity: 1; Switch Type: NONTRANSFER. 6 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.
NSN 5985-01-276-4712 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.