The Waveguide Assembly, cataloged under National Stock Number 5985-01-274-4122, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-274-4122 |
| Primary Part Number | 2901446 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Waveguide Outside Width | 3.000 INCHES NOMINAL IN |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Voltage Standing Wave Ratio | 1.16 |
| Waveguide Inside Width | 2.837 INCHES MINIMUM AND 2.843 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Quantity | 2 |
| Flange Inside Height | 0.670 INCHES NOMINAL ALL FLANGES IN |
| Style Designator | OFFSET BEND TYPE |
| Waveguide Inside Height | 0.667 INCHES MINIMUM AND 0.673 INCHES MAXIMUM IN |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Flange Depth | 0.310 INCHES NOMINAL ALL FLANGES IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Flange Style | CONTACT TYPE ALL FLANGES |
| Flange Outside Width | 3.750 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 2.840 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Height | 2.330 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Outside Height | 0.830 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5985-01-274-4122 is a Waveguide Assembly, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-01-274-4122 has 4 cross-referenced part numbers: 55226 (Cobham Advanced Electronic Solutions Inc.), 2901446 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 122383 (Frontgrade Technologies Inc.), 122383 (Litton Systems Inc Airtron Div).
There are 6 known substitutes for 5985-01-274-4122: 2810-00-118-6472, 5895-00-245-5828, 5945-00-405-1167 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2901446: Waveguide Outside Width: 3.000 INCHES NOMINAL IN; Flange Connecting Facility and Quantity: 8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES; Voltage Standing Wave Ratio: 1.16; Waveguide Inside Width: 2.837 INCHES MINIMUM AND 2.843 INCHES MAXIMUM IN. 21 total characteristics are documented in the Federal Logistics Information System.