The Waveguide, cataloged under National Stock Number 5985-01-657-3756, 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. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Waveguide |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Microwave Engineering Corporation (CAGE 06351); Frontgrade Technologies Inc. (CAGE 66544); The Boeing Company Div Legacy Am&m (CAGE 43999) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-657-3756 |
| Primary Part Number | TDRS22085-1 |
| Item Name | Waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| 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 |
|---|---|
| TDRS22085-1 | Microwave Engineering Corporation (USA) |
| LE413-0228-0049 | Frontgrade Technologies Inc. (USA) |
| TDRS22085-1 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| LE413-0228-0049 | The Boeing Company Div Legacy Am&m (USA) |
NSN 5985-01-657-3756 is a Waveguide, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-657-3756 has 4 manufacturer part numbers on file: TDRS22085-1 (Microwave Engineering Corporation), LE413-0228-0049 (Frontgrade Technologies Inc.), TDRS22085-1 (The Boeing Company Div Legacy Am&m), LE413-0228-0049 (The Boeing Company Div Legacy Am&m).
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 5985-01-657-3756 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.