The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-264-9864, 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 Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div. Government technical data includes 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-264-9864 |
| Primary Part Number | 2131900-5 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div |
| Status | ACTIVE |
| Switch Type | TRANSFER |
| Terminal Type and Quantity | 6 SOLDER STUD |
| 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 |
|---|---|
| 2131900-5 | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA) |
| Reference | Meaning |
|---|---|
| SW185 | 5/9 Secondary reference Mercury Commercial Electronics, Inc. Dba Micronetics |
| 8130B39A1D3A1S | 3/2 Design control — primary reference U.S. Government activity |
| 8130B39A1D3A1S | 5/9 Secondary reference Stellant Systems Inc |
| T4-413X2.2 | 5/9 Secondary reference Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc |
NSN 5985-01-264-9864 is a Switch,radio Frequency Transmiss, manufactured by Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-264-9864 has 1 manufacturer part number on file: 2131900-5 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div).
Key specifications for 2131900-5: Overall Height: 1.310 INCHES MAXIMUM IN; Overall Length: 2.400 INCHES NOMINAL IN; Overall Width: 1.970 INCHES NOMINAL IN; Switch Type: TRANSFER. 2 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.