The Waveguide Assembly, cataloged under National Stock Number 5985-00-563-0763, 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 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-563-0763 |
| Primary Part Number | 334D170G01 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Flange Inside Height | 1.502 INCHES NOMINAL SECOND FLANGE IN |
| Flange Inside Height | 1.340 INCHES NOMINAL FIRST FLANGE IN |
| Flange Quantity | 2 |
| Style Designator | STRAIGHT TYPE |
| Waveguide Inside Width | 2.840 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Inside Width | 2.840 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Width | 3.002 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Length | 3.000 FEET NOMINAL FT |
| Waveguide Outside Height | 1.500 INCHES NOMINAL IN |
| Waveguide Outside Width | 3.000 INCHES NOMINAL IN |
| Flange Depth | 0.750 INCHES NOMINAL SECOND FLANGE IN |
| Flange Depth | 1.250 INCHES NOMINAL FIRST FLANGE IN |
| Surface Treatment | OXIDE FILM ALL FLANGE INSIDE SURFACES |
| Waveguide Inside Height | 1.340 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY ALL FLANGE |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Outside Diameter | 5.313 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Diameter | 5.313 INCHES NOMINAL FIRST FLANGE IN |
| Flange Style | CHOKE TYPE FIRST FLANGE |
| Flange Style | COVER TYPE SECOND FLANGE |
| 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 |
|---|---|
| 334D170G01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 334D170G01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5985-00-563-0763 is a Waveguide Assembly, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-563-0763 has 1 manufacturer part number on file: 334D170G01 (Northrop Grumman Support Services Corp).
Key specifications for 334D170G01: Flange Inside Height: 1.502 INCHES NOMINAL SECOND FLANGE IN; Flange Inside Height: 1.340 INCHES NOMINAL FIRST FLANGE IN; Flange Quantity: 2; Style Designator: STRAIGHT TYPE. 22 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 5985-00-563-0763 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.