The Waveguide Assembly, cataloged under National Stock Number 5985-01-275-5440, 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 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-275-5440 |
| Primary Part Number | LE413-0229-0059 |
| 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 ALL TUBING SEGMENT |
| Flange Quantity | 2 |
| Waveguide First Leg Length | 1.923 INCHES NOMINAL IN |
| Waveguide Second Leg Length | 6.853 INCHES NOMINAL IN |
| Style Designator | FOUR BEND TYPE |
| Flexibility | FLEXIBLE SECOND TUBING SEGMENT |
| Flexibility | RIGID FIRST TUBING SEGMENT |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Specification/standard Data | 43999-LE413-0229 MANUFACTURERS SPECIFICATION CONTROL |
| Waveguide Third Leg Length | 4.375 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 |
|---|---|
| LE413-0229-0059 | Microtech Inc Dba Microtech Inc (USA) |
| LE413-0229-0059 | Frontgrade Technologies Inc. (USA) |
| TDRS22086-1 | Microwave Engineering Corporation (USA) |
| LE413-0229-0059 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| LE413-0229-0059 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-275-5440 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 5985-01-275-5440 has 4 manufacturer part numbers on file: LE413-0229-0059 (Microtech Inc Dba Microtech Inc), LE413-0229-0059 (Frontgrade Technologies Inc.), TDRS22086-1 (Microwave Engineering Corporation), LE413-0229-0059 (The Boeing Company Div Legacy Am&m).
Key specifications for LE413-0229-0059: Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Flange Quantity: 2; Waveguide First Leg Length: 1.923 INCHES NOMINAL IN; Waveguide Second Leg Length: 6.853 INCHES NOMINAL IN. 10 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 5985-01-275-5440 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.