The Waveguide, cataloged under National Stock Number 5985-01-658-7866, 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 Microwave Engineering Corporation. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Waveguide |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Frontgrade Technologies Inc. (CAGE 66544); Microwave Engineering Corporation (CAGE 06351) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-658-7866 |
| Primary Part Number | TDR14517 |
| Item Name | Waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| LE413-0272-0019 | Frontgrade Technologies Inc. (USA) |
| TDR14517 PRIMARY | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| LE413-0272 | D/9 Drawing number reference only The Boeing Company Div Legacy Am&m |
| LE413-0272-0019 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
NSN 5985-01-658-7866 is a Waveguide, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-658-7866 has 2 manufacturer part numbers on file: LE413-0272-0019 (Frontgrade Technologies Inc.), TDR14517 (Microwave Engineering Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-658-7868. Verify interchangeability with system specifications before substitution.
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 5985-01-658-7866 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.