The Switch,waveguide, cataloged under National Stock Number 5985-01-504-2537, 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 Logus Manufacturing Corp.. Government technical data includes 25 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-504-2537 |
| Primary Part Number | LM75BUF71 |
| Item Name | Switch,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Logus Manufacturing Corp. |
| Status | ACTIVE |
| Waveguide Flange Type | CHOKE |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY PATTERN |
| Actuator Voltage in Volts | 24.0 NOMINAL |
| Voltage Standing Wave Ratio | 1.10 SINGLE |
| Pole Quantity | 2 |
| Switch Return Mechanism Type | FAIL-SAFE |
| Actuator Current Type and Rating in Amps | 1.5 DC NOMINAL |
| Distance Between Mounting Facility Centers | 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Coupling Position Quantity | 2 |
| Nominal Thread Size | 0.164 INCHES MOUNTING FACILITY HOLE IN |
| Minimum Crosstalk Rating in Decibels | 75.0 SINGLE |
| Switch Type | TRANSFER |
| Insertion Loss in Decibels | 0.05 SINGLE |
| Actuator Operating Method | SOLID STATE |
| Frequency Rating | 10.0 GIGAHERTZ MINIMUM AND 15.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Rf Power Handling Capability | 3.5 KILOWATTS AVERAGE SINGLE |
| Thread Class | 2B MOUNTING FACILITY HOLE |
| Material | ALUMINUM BODY |
| Material | ALUMINUM FLANGE(S) |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) |
| Terminal Type and Quantity | 1 RECTANGULAR FLANGE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE |
| Throw Quantity | 2 |
| 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 |
|---|---|
| LM75BUF71 PRIMARY | Logus Manufacturing Corp. (USA) |
NSN 5985-01-504-2537 is a Switch,waveguide, manufactured by Logus Manufacturing Corp., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-504-2537 has 1 manufacturer part number on file: LM75BUF71 (Logus Manufacturing Corp.).
Key specifications for LM75BUF71: Waveguide Flange Type: CHOKE; Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Overall Height: 2.110 INCHES NOMINAL IN; Body Style: RECTANGULAR. 25 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.