The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-370-4901, 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 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-370-4901 |
| Primary Part Number | RAH 910410-2 |
| 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 THREADED HOLE(S) |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY PATTERN |
| Longest Vertical Distance Between Mounting Centers | 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Connector End Design | FEMALE |
| Coupling Position Quantity | 5 |
| Nominal Thread Size | 0.112 INCHES MOUNTING FACILITY HOLE IN |
| Thread Class | 2B MOUNTING FACILITY HOLE |
| Terminal Type and Quantity | 5 PLUG, COAXIAL AND 1 CONNECTOR, RECEPTACLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE |
| Coaxial Connector Series Designation | SMA |
| Longest Horizontal Distance Between Mounting Centers | 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4MPT-28-F-SMA-TTL-DA15P | Dow-Key Microwave Llc (USA) |
| RAH 910410-2 PRIMARY | Dow-Key Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| RAH 910410-2 | 5/9 Secondary reference K&l Microwave Llc |
| 4MPT-28-F-SMA-TTL-DA15P | 5/9 Secondary reference K&l Microwave Llc |
NSN 5985-01-370-4901 is a Switch,radio Frequency Transmiss, manufactured by Dow-Key Microwave Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-370-4901 has 2 manufacturer part numbers on file: 4MPT-28-F-SMA-TTL-DA15P (Dow-Key Microwave Llc), RAH 910410-2 (Dow-Key Microwave Llc).
Key specifications for RAH 910410-2: Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Mounting Facility Pattern: FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY PATTERN; Longest Vertical Distance Between Mounting Centers: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN; Connector End Design: FEMALE. 11 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.