The Waveguide Assembly, cataloged under National Stock Number 5985-00-433-3548, 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 Northrop Grumman Systems Corporation Dba Electronic Systems. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-433-3548 |
| Primary Part Number | 990C412H01 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| Flange Outside Width | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN |
| Style Designator | STRAIGHT TYPE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Waveguide Inside Width | 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN |
| Waveguide Length | 2.500 INCHES NOMINAL IN |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Flange Style | CHOKE TYPE ALL FLANGES |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES |
| Surface Treatment | CHROMATE ALL TUBING SEGMENT INSIDE SURFACES |
| Flange Outside Height | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Waveguide Outside Width | 0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN |
| Flange Inside Diameter | 1.406 INCHES MINIMUM AND 1.437 INCHES MAXIMUM ALL FLANGES IN |
| Flange Depth | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN |
| Nominal Thread Size | 0.164 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN |
| Surface Treatment | CHROMIUM AND PASSIVATE ALL TUBING SEGMENT OUTSIDE SURFACES |
| Thread Class | 2B ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Quantity | 2 |
| Flange Inside Width | 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM ALL FLANGES IN |
| Thread Direction | RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Inside Height | 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM ALL FLANGES IN |
| Material | ALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE |
| Waveguide Outside Height | 0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN |
| Waveguide Inside Height | 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| FSC Application Data | ANTENNAS,WAVEGUIDES AND RELATED EQUIP. |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 990C412H01 PRIMARY | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
| 990C412H01 | Skyworks Solutions, Inc. (USA) |
| 2777 | Omega Laboratories Inc (USA) |
| 60670 | Waveline Inc (USA) |
| 114310 | Frontgrade Technologies Inc. (USA) |
| 114310 | Litton Systems Inc Airtron Div (USA) |
| TR641901 PRIMARY | Microwave Engineering Corporation (USA) |
NSN 5985-00-433-3548 is a Waveguide Assembly, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-00-433-3548 has 7 cross-referenced part numbers: 990C412H01 (Northrop Grumman Systems Corporation Dba Electronic Systems), 990C412H01 (Skyworks Solutions, Inc.), 2777 (Omega Laboratories Inc), 60670 (Waveline Inc), 114310 (Frontgrade Technologies Inc.) and 2 more.
There are 12 known substitutes for 5985-00-433-3548: 4720-00-014-6866, 4140-00-205-0853, 4940-00-391-4547 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 990C412H01: Flange Outside Width: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN; Style Designator: STRAIGHT TYPE; Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR; Waveguide Inside Width: 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN. 28 total characteristics are documented in the Federal Logistics Information System.