The Waveguide Assembly, cataloged under National Stock Number 5985-01-345-1900, 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 L3harris Technologies, Inc.. 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 Assembly |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | L3harris Technologies, Inc. (CAGE 28527); Microwave Development Company Inc Dba Microwave Development Company Inc (CAGE 63661); Frontgrade Technologies Inc. (CAGE 66544); Microwave Engineering Corporation (CAGE 06351) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-345-1900 |
| Primary Part Number | 2634643G060 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2634643G060 PRIMARY | L3harris Technologies, Inc. (USA) |
| 25650-174 | Microwave Development Company Inc Dba Microwave Development Company Inc (USA) |
| 350069-60 | Frontgrade Technologies Inc. (USA) |
| R17-21.57 | Microwave Engineering Corporation (USA) |
NSN 5985-01-345-1900 is a Waveguide Assembly, manufactured by L3harris Technologies, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-345-1900 has 4 manufacturer part numbers on file: 2634643G060 (L3harris Technologies, Inc.), 25650-174 (Microwave Development Company Inc Dba Microwave Development Company Inc), 350069-60 (Frontgrade Technologies Inc.), R17-21.57 (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.
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.