The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-274-1526, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-274-1526 |
| Primary Part Number | 2900746-1 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Switching Time | 50.0 MILLISECONDS MS |
| Pole Quantity | 1 |
| Connector End Design | FEMALE |
| Coupling Position Quantity | 2 |
| Switch Type | NONTRANSFER |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG AND 3 RECEPTACLE, COAXIAL |
| Switch Operation Sequence | BREAKS BEFORE MAKES |
| Coaxial Connector Series Designation | SMA |
| Throw Quantity | 2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2900746-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 919C72700-1 | Dow-Key Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| 919C72700-1 | 5/9 Secondary reference K&l Microwave Llc |
| 919C72700-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-274-1526 is a Switch,radio Frequency Transmiss, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-274-1526 has 2 manufacturer part numbers on file: 2900746-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 919C72700-1 (Dow-Key Microwave Llc).
Key specifications for 2900746-1: Switching Time: 50.0 MILLISECONDS MS; Overall Height: 0.500 INCHES MAXIMUM IN; Pole Quantity: 1; Connector End Design: FEMALE. 9 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 5985-01-274-1526 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.