The Waveguide Assembly, cataloged under National Stock Number 5985-01-497-2829, 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 29 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-497-2829 |
| Primary Part Number | LE413-0230-0027 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Flange Inside Height | 0.630 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Height | 0.506 INCHES NOMINAL SECOND FLANGE IN |
| Flange Quantity | 2 |
| Waveguide First Leg Length | 1.000 INCHES NOMINAL IN |
| Waveguide Second Leg Length | 1.375 INCHES NOMINAL IN |
| Style Designator | THREE BEND TYPE |
| Flexibility | FLEXIBLE SECOND TUBING SEGMENT |
| Flexibility | RIGID FIRST TUBING SEGMENT |
| Waveguide Inside Width | 1.090 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.390 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Height | 1.390 INCHES NOMINAL SECOND FLANGE IN |
| Flange Connecting Hole Diameter | 0.144 INCHES MINIMUM AND 0.149 INCHES MAXIMUM FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 1.090 INCHES NOMINAL SECOND FLANGE IN |
| Flange Inside Width | 1.280 INCHES NOMINAL FIRST FLANGE IN |
| Thread Direction | RIGHT-HAND SECOND FLANGE ALL CONNECTION FACILITIES |
| Nominal Thread Size | 0.138 INCHES SECOND FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Fourth Leg Length | 7.450 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.630 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.214 INCHES NOMINAL IN |
| Flange Depth | 0.250 INCHES NOMINAL FIRST FLANGE IN |
| Flange Depth | 0.250 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 1.968 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 1.968 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Inside Height | 0.506 INCHES NOMINAL IN |
| Thread Class | 2B SECOND FLANGE ALL CONNECTION FACILITIES |
| Material | ALUMINUM ALLOY 6061 ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 8 THREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES |
| 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 |
|---|---|
| LE413-0230-0027 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| LE413-0230-0027 | Frontgrade Technologies Inc. (USA) |
| LE413-0230-0027 | Microtech Inc Dba Microtech Inc (USA) |
| LE413-0230-0027 | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| LE413-0230 | D/9 Drawing number reference only The Boeing Company Div Legacy Am&m |
| LE413-0230-0027 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-497-2829 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 5985-01-497-2829 has 4 manufacturer part numbers on file: LE413-0230-0027 (The Boeing Company Div Legacy Am&m), LE413-0230-0027 (Frontgrade Technologies Inc.), LE413-0230-0027 (Microtech Inc Dba Microtech Inc), LE413-0230-0027 (Microwave Engineering Corporation).
4 possible matches (shared part number, not a government interchangeability claim): 5985-01-659-2521, 5985-01-659-2601, 5985-01-659-2608. Verify interchangeability with system specifications before substitution.
Key specifications for LE413-0230-0027: Flange Inside Height: 0.630 INCHES NOMINAL FIRST FLANGE IN; Flange Inside Height: 0.506 INCHES NOMINAL SECOND FLANGE IN; Flange Quantity: 2; Waveguide First Leg Length: 1.000 INCHES NOMINAL IN. 29 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 5985-01-497-2829 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.