The Switch,waveguide, cataloged under National Stock Number 5985-01-117-6839, 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 7 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-117-6839 |
| Primary Part Number | L090CSFXX45 |
| Item Name | Switch,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Logus Manufacturing Corp. |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Nominal Thread Size | 0.164 INCHES FLANGE CONNECTION FACILITY HOLE IN |
| Nominal Thread Size | 0.164 INCHES MOUNTING FACILITY HOLE IN |
| Minimum Crosstalk Rating in Decibels | 80.0 SINGLE |
| Actuator Operating Method | RELAY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FLANGE CONNECTION FACILITY HOLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| L090CSFXX45 PRIMARY | Logus Manufacturing Corp. (USA) |
| LM90CSFXX97-2 | Logus Manufacturing Corp. (USA) |
| 90SR179-2 PRIMARY | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 10134432 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 927074-2B | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5985-01-117-6839 is a Switch,waveguide, manufactured by Logus Manufacturing Corp., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-117-6839 has 3 manufacturer part numbers on file: L090CSFXX45 (Logus Manufacturing Corp.), LM90CSFXX97-2 (Logus Manufacturing Corp.), 90SR179-2 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc).
Key specifications for L090CSFXX45: Overall Height: 2.650 INCHES NOMINAL IN; Criticality Code Justification: AGAV; Overall Length: 5.100 INCHES MAXIMUM IN; Overall Width: 3.150 INCHES NOMINAL IN. 7 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 5985-01-117-6839 has DEMIL Code D. 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.