The Switch,waveguide, cataloged under National Stock Number 5985-01-167-7942, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-167-7942 |
| Primary Part Number | 3145376 |
| Item Name | Switch,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Waveguide Flange Type | COVER |
| Switching Time | 30.0 MILLISECONDS MS |
| Actuator Voltage in Volts | 24.0 MINIMUM AND 30.0 MAXIMUM |
| Switch Return Mechanism Type | FAIL-SAFE |
| Features Provided | OPEN OFF CIRCUIT TERMINATION |
| Coupling Position Quantity | 2 |
| Switch Type | TRANSFER |
| Insertion Loss in Decibels | 0.20 FIRST |
| Insertion Loss in Decibels | 0.30 SECOND |
| Actuator Operating Method | RELAY |
| Operating Temp Range | -20.0 TO 72.0 CELSIUS DEGC |
| Rf Power Handling Capability | 2.0 KILOWATTS PEAK SINGLE |
| Flange Connecting Facility and Quantity | 4 CAPTIVE SCREW(S) |
| Terminal Type and Quantity | 2 TURRET |
| 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 |
|---|---|
| 90SW329 | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
| 3145376 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 5985PL1325058 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5985-01-167-7942 is a Switch,waveguide, 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 5985-01-167-7942 has 2 manufacturer part numbers on file: 90SW329 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc), 3145376 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-192-1309. Verify interchangeability with system specifications before substitution.
Key specifications for 3145376: Waveguide Flange Type: COVER; Switching Time: 30.0 MILLISECONDS MS; Actuator Voltage in Volts: 24.0 MINIMUM AND 30.0 MAXIMUM; Switch Return Mechanism Type: FAIL-SAFE. 14 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 5985-01-167-7942 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.