The Waveguide Assembly, cataloged under National Stock Number 5985-01-307-8419, 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 Frontgrade Technologies Inc.. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-307-8419 |
| Primary Part Number | LE413-0217-0005 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Flange Quantity | 2 |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 5.922 INCHES MINIMUM AND 5.962 INCHES MAXIMUM IN |
| Flexibility | FLEXIBLE SECOND TUBING SEGMENT |
| Flexibility | RIGID FIRST TUBING SEGMENT |
| Waveguide Inside Width | 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Waveguide Outside Height | 0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN |
| Waveguide Inside Height | 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN |
| Waveguide Longer Offset Distance | 13.650 INCHES MINIMUM AND 13.690 INCHES MAXIMUM 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 |
|---|---|
| LE413-0217-0005 PRIMARY | Frontgrade Technologies Inc. (USA) |
| LE413-0217-0005 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| LE413-0217-0005 | 5/9 Secondary reference Microtech Inc Dba Microtech Inc |
| LE413-0217 | D/9 Drawing number reference only The Boeing Company Div Legacy Am&m |
| 124844 | 3/9 Design control — primary reference U.S. Government activity |
| LE413-0217-0005 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-307-8419 is a Waveguide Assembly, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-307-8419 has 2 manufacturer part numbers on file: LE413-0217-0005 (Frontgrade Technologies Inc.), LE413-0217-0005 (The Boeing Company Div Legacy Am&m).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-597-7251. Verify interchangeability with system specifications before substitution.
Key specifications for LE413-0217-0005: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Flange Quantity: 2; Style Designator: BEND TYPE; Waveguide Offset Distance: 5.922 INCHES MINIMUM AND 5.962 INCHES MAXIMUM 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 5985-01-307-8419 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.