The Adapter,waveguide, cataloged under National Stock Number 5985-01-334-4388, 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 Northrop Grumman Systems Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Northrop Grumman Systems Corporation (CAGE 26512); Microwave Engineering Corporation (CAGE 06351) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-334-4388 |
| Primary Part Number | A34U90017-1 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| A34U90017-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| A34U90017-1 | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| A34U90017-1 | 5/9 Secondary reference U.S. Government activity |
| A34U90017-1 | 5/9 Secondary reference Advanced Technical Materials, Inc. Dba a T M |
| RME-U-0078 | 5/9 Secondary reference Rme Filters Inc |
NSN 5985-01-334-4388 is a Adapter,waveguide, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-334-4388 has 2 manufacturer part numbers on file: A34U90017-1 (Northrop Grumman Systems Corporation), A34U90017-1 (Microwave Engineering Corporation).
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 5985-01-334-4388 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.