The Waveguide Assembly, cataloged under National Stock Number 5985-01-174-2261, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5985-01-174-2261 |
| Primary Part Number | 90BX879 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc |
| Status | CANCELLED |
| Flange Style | CHOKE TYPE ALL FLANGES |
| Flange Outside Width | 1.625 INCHES NOMINAL ALL FLANGES IN |
| Surface Treatment | CHROMATE ALL TUBING SEGMENT AND FLANGE ALL SURFACES |
| Flange Quantity | 2 |
| Flange Outside Height | 1.625 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Inside Width | 0.900 INCHES NOMINAL IN |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN |
| Waveguide Inside Height | 0.400 INCHES NOMINAL IN |
| Flange Inside Width | 0.900 INCHES NOMINAL ALL FLANGES IN |
| Flange Inside Height | 0.400 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Outside Width | 1.000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 ALL TUBING SEGMENT AND FLANGE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| FSC Application Data | RADAR SET AN/APG-65 |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Waveguide Outside Height | 0.500 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 1.150 |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Flange Depth | 0.438 INCHES NOMINAL ALL FLANGES IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 10134391 | Nimikkeistokeskus Ncb Finland (FIN) |
| 655272 | Raytheon Company Dba Raytheon (USA) |
| 500504 | Microwave Products Inc Sub of Adams-Russel Co Inc (USA) |
| TR642866 | Microwave Engineering Corporation (USA) |
| MA59325 | Cobham Advanced Electronic Solutions Inc. (USA) |
| 236795 | Microtech Inc Dba Microtech Inc (USA) |
| 1061581 | Frontgrade Technologies Inc. (USA) |
| 90BX879 PRIMARY | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
| 3542106 | Raytheon Company Dba Raytheon (USA) |
NSN 5985-01-174-2261 is a Waveguide Assembly, manufactured by Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc, classified under FSC 5985 (No Item Name Available). Status: cancelled.
NSN 5985-01-174-2261 has 9 cross-referenced part numbers: 10134391 (Nimikkeistokeskus Ncb Finland), 655272 (Raytheon Company Dba Raytheon), 500504 (Microwave Products Inc Sub of Adams-Russel Co Inc), TR642866 (Microwave Engineering Corporation), MA59325 (Cobham Advanced Electronic Solutions Inc.) and 4 more.
There are 6 known substitutes for 5985-01-174-2261: 3110-00-151-4818, 5355-00-152-8731, 6625-00-435-4020 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 90BX879: Flange Style: CHOKE TYPE ALL FLANGES; Flange Outside Width: 1.625 INCHES NOMINAL ALL FLANGES IN; Surface Treatment: CHROMATE ALL TUBING SEGMENT AND FLANGE ALL SURFACES; Flange Quantity: 2. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 5985-01-174-2261 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.