The Switch,waveguide, cataloged under National Stock Number 5985-00-140-8905, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-140-8905 |
| Item Name | Switch,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Waveguide Flange Type | CHOKE AND COVER |
| Switching Time | 1.0 MICROSECONDS US |
| Voltage Standing Wave Ratio | 1.50 SINGLE |
| Pole Quantity | 1 |
| Coupling Position Quantity | 2 |
| Minimum Crosstalk Rating in Decibels | 40.0 SINGLE |
| Switch Type | NONTRANSFER |
| Insertion Loss in Decibels | 2.00 SINGLE |
| Actuator Operating Method | RELAY |
| Operating Temp Range | -25.0 TO 150.0 FAHRENHEIT DEGF |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) |
| Terminal Type and Quantity | 1 RECEPTACLE, COAXIAL |
| Throw Quantity | 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SMA778191-1 | 3/2 Design control — primary reference U.S. Government activity |
| H1335X | 5/9 Secondary reference Lexan Industries, Inc Dba Struthers Electronics Div Struthers Electronics |
NSN 5985-00-140-8905 is a Switch,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-140-8905: Waveguide Flange Type: CHOKE AND COVER; Switching Time: 1.0 MICROSECONDS US; Voltage Standing Wave Ratio: 1.50 SINGLE; Pole Quantity: 1. 13 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 5985-00-140-8905 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.