The Waveguide Assembly, cataloged under National Stock Number 5985-01-380-9987, 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 Waveline Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-380-9987 |
| Primary Part Number | 20728 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Waveline Inc |
| Status | ACTIVE |
| Style Designator | STRAIGHT TYPE |
| Waveguide Inside Width | 2.840 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 SINGLE TUBING SEGMENT AND FLANGE |
| Waveguide Inside Height | 1.340 INCHES NOMINAL IN |
| Flange Quantity | 1 |
| Flange Connecting Hole Diameter | 0.250 INCHES NOMINAL SINGLE FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Length | 9.90625 INCHES MAXIMUM IN |
| Waveguide Outside Width | 3.000 INCHES NOMINAL IN |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Flange Outside Diameter | 5.313 INCHES NOMINAL SINGLE FLANGE IN |
| Voltage Standing Wave Ratio | 1.02 |
| Flange Style | CHOKE TYPE SINGLE FLANGE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Depth | 1.250 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Inside Width | 2.840 INCHES NOMINAL SINGLE FLANGE IN |
| Operating Pressure | 8.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Waveguide Outside Height | 1.500 INCHES NOMINAL IN |
| Flange Inside Height | 1.340 INCHES NOMINAL SINGLE FLANGE IN |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20728 PRIMARY | Waveline Inc (USA) |
| 1213659-201 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 5985-01-380-9987 is a Waveguide Assembly, manufactured by Waveline Inc, classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-01-380-9987 has 2 cross-referenced part numbers: 20728 (Waveline Inc), 1213659-201 (Lockheed Martin Corporation Div Rms - Mitchel Field).
There are 5 known substitutes for 5985-01-380-9987: 4320-01-198-3080, 2520-01-331-0602, 5955-01-349-8457 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20728: Style Designator: STRAIGHT TYPE; Waveguide Inside Width: 2.840 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 6061 SINGLE TUBING SEGMENT AND FLANGE; Waveguide Inside Height: 1.340 INCHES NOMINAL IN. 20 total characteristics are documented in the Federal Logistics Information System.