The Waveguide Assembly, cataloged under National Stock Number 5985-00-946-6792, 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 Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-946-6792 |
| Primary Part Number | B90E0002 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co |
| Status | ACTIVE |
| Waveguide Outside Height | 0.388 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Style | COVER TYPE SECOND FLANGE |
| Flange Outside Height | 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM FIRST FLANGE IN |
| Thread Quantity Per Inch | 32 FIRST FLANGE ALL CONNECTION FACILITIES |
| Waveguide Inside Height | 0.3085 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN |
| Flange Inside Width | 0.705 INCHES MINIMUM SECOND FLANGE IN |
| Flange Depth | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM FIRST FLANGE IN |
| Thread Class | 2B FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Quantity | 2 |
| Flange Outside Width | 1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Inside Height | 0.394 INCHES MINIMUM SECOND FLANGE IN |
| Flange Connecting Hole Diameter | 0.144 INCHES MINIMUM SECOND FLANGE ALL CONNECTION FACILITIES IN |
| Nominal Thread Size | 0.138 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Surface Treatment | SILVER SINGLE TUBING SEGMENT INSIDE SURFACES |
| Precious Material | SILVER |
| Surface Treatment | ENAMEL AND CHROMATE ZINC ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Material | COPPER ALLOY ALL TUBING SEGMENT AND FLANGE |
| Flange Style | CHOKE TYPE FIRST FLANGE |
| Waveguide Offset Distance | 0.370 INCHES MINIMUM AND 1.430 INCHES MAXIMUM IN |
| Style Designator | BEND TYPE |
| Precious Material and Location | TUBING INSIDE SURFACE SILVER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FIRST FLANGE ALL CONNECTION FACILITIES |
| Waveguide Longer Offset Distance | 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN |
| Waveguide Inside Width | 0.6195 INCHES MINIMUM AND 0.6245 INCHES MAXIMUM IN |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES |
| Flange Inside Diameter | 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM FIRST FLANGE IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B90E0002 | Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co (USA) |
| TRE-57-4-B-L1.4M2.0-90DEGSILVER | Microwave Engineering Corporation (USA) |
| 109302 | Litton Systems Inc Airtron Div (USA) |
NSN 5985-00-946-6792 is a Waveguide Assembly, manufactured by Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co, classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-00-946-6792 has 3 cross-referenced part numbers: B90E0002 (Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co), TRE-57-4-B-L1.4M2.0-90DEGSILVER (Microwave Engineering Corporation), 109302 (Litton Systems Inc Airtron Div).
There are 3 known substitutes for 5985-00-946-6792: 3110-00-155-6446, 3120-00-364-6868, 5365-01-619-7790. Verify interchangeability with system specifications before substitution.
Key specifications for B90E0002: Waveguide Outside Height: 0.388 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN; Flange Connecting Facility and Quantity: 4 THREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES; Flange Style: COVER TYPE SECOND FLANGE; Flange Outside Height: 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM FIRST FLANGE IN. 30 total characteristics are documented in the Federal Logistics Information System.