The Waveguide Assembly, cataloged under National Stock Number 5985-01-388-8266, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-388-8266 |
| Primary Part Number | LE413-0409-0101 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Voltage Standing Wave Ratio | 1.28 |
| Waveguide First Leg Length | 2.250 INCHES NOMINAL IN |
| Waveguide Second Leg Length | 2.500 INCHES NOMINAL IN |
| Style Designator | THREE BEND TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR |
| Waveguide Fourth Leg Length | 0.560 INCHES NOMINAL IN |
| Insertion Loss in Decibels | 0.18 |
| Surface Treatment | PAINT AND PRIMER ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Material | ALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE |
| Waveguide Third Leg Length | 3.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LE413-0409-0101 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| LE413-0409-0101 | Microtech Inc Dba Microtech Inc (USA) |
| TDR10251 | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| LE413-0409-0101 | 5/9 Secondary reference U.S. Government activity |
| LE413-0409-0101 | C/1 Advisory reference — outside the item-of-supply concept Frontgrade Technologies Inc. |
NSN 5985-01-388-8266 is a Waveguide Assembly, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-388-8266 has 3 manufacturer part numbers on file: LE413-0409-0101 (The Boeing Company Div Legacy Am&m), LE413-0409-0101 (Microtech Inc Dba Microtech Inc), TDR10251 (Microwave Engineering Corporation).
Key specifications for LE413-0409-0101: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Voltage Standing Wave Ratio: 1.28; Waveguide First Leg Length: 2.250 INCHES NOMINAL IN; Waveguide Second Leg Length: 2.500 INCHES NOMINAL IN. 12 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-01-388-8266 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.