The Waveguide Assembly, cataloged under National Stock Number 5985-01-227-0650, 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 Support Services Corp. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-227-0650 |
| Primary Part Number | 611J801G03 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Style Designator | U-BEND TYPE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Waveguide Center to Center Distance | 3.742 INCHES NOMINAL IN |
| Waveguide Outside Width | 3.384 INCHES NOMINAL IN |
| Waveguide Inside Height | 1.214 INCHES NOMINAL IN |
| Waveguide Longer Leg Length | 7.939 INCHES NOMINAL 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 |
|---|---|
| 238868-3 | Microtech Inc Dba Microtech Inc (USA) |
| 611J801G03 | Frontgrade Technologies Inc. (USA) |
| 611J801G03 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| 611J801G03 | Microtech Inc Dba Microtech Inc (USA) |
| 611J801G03 | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| 611J801G03 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5985-01-227-0650 is a Waveguide Assembly, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-227-0650 has 5 manufacturer part numbers on file: 238868-3 (Microtech Inc Dba Microtech Inc), 611J801G03 (Frontgrade Technologies Inc.), 611J801G03 (Northrop Grumman Support Services Corp), 611J801G03 (Microtech Inc Dba Microtech Inc), 611J801G03 (Microwave Engineering Corporation).
1 possible match (shared part number, not a government interchangeability claim): 2950-01-598-5993. Verify interchangeability with system specifications before substitution.
Key specifications for 611J801G03: Style Designator: U-BEND TYPE; Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR; Waveguide Center to Center Distance: 3.742 INCHES NOMINAL IN; Waveguide Outside Width: 3.384 INCHES NOMINAL IN. 6 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 5985-01-227-0650 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.