The Waveguide Assembly, cataloged under National Stock Number 5985-00-981-6484, 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 Raytheon Company Div Corp. Government technical data includes 30 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-981-6484 |
| Primary Part Number | 3780-1270G1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| FSC Application Data | ANTENNA,RADAR,AIRCRAFT,BOMBING FIRE CONTROL |
| Tubing Wall Construction Style | STRAIGHT SEAM SINGLE TUBING SEGMENTSTRAIGHT SEAM SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.500 INCHES NOMINAL SECOND FLANGE0.500 INCHES NOMINAL SECOND FLANGE IN |
| Flange Inside Height | 0.630 INCHES NOMINAL FIRST FLANGE0.630 INCHES NOMINAL FIRST FLANGE IN |
| Waveguide Height | 3.504 INCHES NOMINAL3.504 INCHES NOMINAL IN |
| Flange Quantity | 22 |
| Voltage Standing Wave Ratio | 1.081.08 |
| Waveguide Leg Length | 1.714 INCHES NOMINAL1.714 INCHES NOMINAL IN |
| Style Designator | U-BEND TYPE |
| Waveguide Inside Width | 1.122 INCHES NOMINAL1.122 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULARINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.875 INCHES NOMINAL FIRST FLANGE1.875 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Height | 1.875 INCHES NOMINAL SECOND FLANGE1.875 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Center to Center Distance | 3.504 INCHES NOMINAL3.504 INCHES NOMINAL IN |
| Flange Inside Width | 1.122 INCHES NOMINAL FIRST FLANGE1.122 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Width | 1.255 INCHES NOMINAL SECOND FLANGE1.255 INCHES NOMINAL SECOND FLANGE IN |
| Nominal Thread Size | 0.164 INCHES SINGLE FLANGE SINGLE CONNECTION FACILITY0.164 INCHES SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Waveguide Outside Height | 0.630 INCHES NOMINAL0.630 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.255 INCHES NOMINAL1.255 INCHES NOMINAL IN |
| Flange Depth | 0.250 INCHES NOMINAL FIRST FLANGE0.250 INCHES NOMINAL FIRST FLANGE IN |
| Flange Depth | 0.250 INCHES NOMINAL SECOND FLANGE0.250 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 1.875 INCHES NOMINAL FIRST FLANGE1.875 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 1.875 INCHES NOMINAL SECOND FLANGE1.875 INCHES NOMINAL SECOND FLANGE IN |
| Surface Treatment | CHROMIUM AND PAINT AND PASSIVATE ALL TUBING SEGMENT AND FLANGE ALL SURFACES |
| Waveguide Inside Height | 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN |
| Waveguide Longer Leg Length | 3.504 INCHES NOMINAL3.504 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 32 SINGLE FLANGE SINGLE CONNECTION FACILITY32 SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Material | ALUMINUM ALL FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY4 THREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY4 UNTHREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY |
| 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 |
|---|---|
| 6322032 | International Business Machines Corp Parts Order Center Dept E - 54 (USA) |
| 3780-1270G1 PRIMARY | Raytheon Company Div Corp (USA) |
| 6322032 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 6322032 | 5/9 Secondary reference International Business Machines Corporation Dba IBM |
NSN 5985-00-981-6484 is a Waveguide Assembly, manufactured by Raytheon Company Div Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-981-6484 has 3 manufacturer part numbers on file: 6322032 (International Business Machines Corp Parts Order Center Dept E - 54), 3780-1270G1 (Raytheon Company Div Corp), 6322032 (Lockheed Martin Corporation Div Rotary and Mission Systems).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-241-2772. Verify interchangeability with system specifications before substitution.
Key specifications for 3780-1270G1: FSC Application Data: ANTENNA,RADAR,AIRCRAFT,BOMBING FIRE CONTROL; Tubing Wall Construction Style: STRAIGHT SEAM SINGLE TUBING SEGMENTSTRAIGHT SEAM SINGLE TUBING SEGMENT; Flange Inside Height: 0.500 INCHES NOMINAL SECOND FLANGE0.500 INCHES NOMINAL SECOND FLANGE IN; Flange Inside Height: 0.630 INCHES NOMINAL FIRST FLANGE0.630 INCHES NOMINAL FIRST FLANGE IN. 30 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 5985-00-981-6484 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.