The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-370-6503, 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 Dow-Key Microwave Llc. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-370-6503 |
| Primary Part Number | S313-A094 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Dow-Key Microwave Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Mounting Facility Pattern | TWO POSITION IN-LINE SECOND MOUNTING FACILITY PATTERN |
| Mounting Facility Pattern | TWO POSITION IN-LINE FIRST MOUNTING FACILITY PATTERN |
| Unthreaded Mounting Hole Diameter | 0.093 INCHES NOMINAL AND 0.120 INCHES NOMINAL IN |
| Pole Quantity | 1 |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | FEMALE |
| Distance Between Mounting Facility Centers | 0.440 INCHES NOMINAL SECOND MOUNTING FACILITY PATTERN IN |
| Distance Between Mounting Facility Centers | 1.190 INCHES NOMINAL FIRST MOUNTING FACILITY PATTERN IN |
| Coupling Position Quantity | 4 |
| Switch Type | NONTRANSFER |
| Actuator Operating Method | RELAY |
| Terminal Type and Quantity | 3 PLUG, COAXIAL AND 1 CONNECTOR, RECEPTACLE |
| Coaxial Connector Series Designation | SMA |
| Throw Quantity | 2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MS-28-F-SMA-I-TTL-DE9P | Dow-Key Microwave Llc (USA) |
| S313-A094 PRIMARY | Dow-Key Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| MS-28-F-SMA-I-TTL-DE9P | 5/9 Secondary reference K&l Microwave Llc |
| S313-A094 | 5/9 Secondary reference K&l Microwave Llc |
NSN 5985-01-370-6503 is a Switch,radio Frequency Transmiss, manufactured by Dow-Key Microwave Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-370-6503 has 2 manufacturer part numbers on file: MS-28-F-SMA-I-TTL-DE9P (Dow-Key Microwave Llc), S313-A094 (Dow-Key Microwave Llc).
Key specifications for S313-A094: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Overall Height: 0.500 INCHES NOMINAL IN; Mounting Facility Pattern: TWO POSITION IN-LINE SECOND MOUNTING FACILITY PATTERN; Mounting Facility Pattern: TWO POSITION IN-LINE FIRST MOUNTING FACILITY PATTERN. 15 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 5985-01-370-6503 has DEMIL Code Q. 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.