The Waveguide Assembly, cataloged under National Stock Number 5985-00-563-1571, 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 24 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-563-1571 |
| Primary Part Number | 336D784H01 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| FSC Application Data | RADAR EQUIPMENT,EXCEPT AIRBORNE |
| Tubing Wall Construction Style | STRAIGHT SEAM SINGLE TUBING SEGMENT |
| Flange Inside Height | 1.340 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.08 |
| Style Designator | OFFSET BEND TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 1.340 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 30.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 2.750 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.194 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN |
| Waveguide Center to Center Distance | 1.500 INCHES NOMINAL IN |
| Flange Inside Width | 2.840 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Length | 39.320 INCHES NOMINAL IN |
| Waveguide Outside Height | 4.250 INCHES NOMINAL IN |
| Waveguide Outside Width | 2.750 INCHES NOMINAL IN |
| Flange Depth | 0.360 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 4.250 INCHES NOMINAL ALL FLANGES IN |
| Surface Treatment | ENAMEL ALL FLANGE OUTSIDE SURFACES |
| Waveguide Inside Height | 1.505 INCHES NOMINAL IN |
| Material | ALUMINUM ALL FLANGE |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Flange Style | CONTACT TYPE ALL FLANGES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 336D784H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| 336D784H01 | Microtech Inc Dba Microtech Inc (USA) |
| 336D784H01 | 3dbm Co Inc Waveguide Group (USA) |
| Reference | Meaning |
|---|---|
| 336D784H01 | 3/9 Design control — primary reference U.S. Government activity |
| 336D784H01 | 5/9 Secondary reference Burke Products Inc |
NSN 5985-00-563-1571 is a Waveguide Assembly, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-563-1571 has 3 manufacturer part numbers on file: 336D784H01 (Northrop Grumman Support Services Corp), 336D784H01 (Microtech Inc Dba Microtech Inc), 336D784H01 (3dbm Co Inc Waveguide Group).
Key specifications for 336D784H01: FSC Application Data: RADAR EQUIPMENT,EXCEPT AIRBORNE; Tubing Wall Construction Style: STRAIGHT SEAM SINGLE TUBING SEGMENT; Flange Inside Height: 1.340 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2. 24 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 5985-00-563-1571 has DEMIL Code B. 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.