The Waveguide Assembly, cataloged under National Stock Number 5985-01-332-2243, 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 3dbm Co Inc Waveguide Group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-332-2243 |
| Primary Part Number | 750-112-4 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | 3dbm Co Inc Waveguide Group |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIP. |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.318 INCHES MINIMUM AND 0.324 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.20 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.688 INCHES MINIMUM AND 0.694 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR DOUBLE INDENTED |
| Flange Outside Height | 1.360 INCHES MINIMUM AND 1.390 INCHES MAXIMUM ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.096 INCHES MINIMUM AND 0.0965 INCHES MAXIMUM FIRST FLANGE FIRST CONNECTION FACILITY IN |
| Flange Connecting Hole Diameter | 0.096 INCHES MINIMUM AND 0.0965 INCHES MAXIMUM SECOND FLANGE FIRST CONNECTION FACILITY IN |
| Flange Connecting Hole Diameter | 0.142 INCHES MINIMUM AND 0.148 INCHES MAXIMUM SECOND FLANGE SECOND CONNECTION FACILITY IN |
| Flange Inside Width | 0.688 INCHES MINIMUM AND 0.694 INCHES MAXIMUM ALL FLANGES IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE SECOND CONNECTION FACILITY |
| Waveguide Length | 4.000 INCHES NOMINAL IN |
| Nominal Thread Size | 0.138 INCHES FIRST FLANGE SECOND CONNECTION FACILITY IN |
| Waveguide Outside Height | 0.418 INCHES MINIMUM AND 0.424 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.788 INCHES MINIMUM AND 0.794 INCHES MAXIMUM IN |
| Flange Depth | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM ALL FLANGES IN |
| Flange Outside Width | 1.360 INCHES MINIMUM AND 1.390 INCHES MAXIMUM ALL FLANGES IN |
| Surface Treatment | CHROMATE SINGLE TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Waveguide Inside Height | 0.318 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| Thread Class | 2B FIRST FLANGE SECOND CONNECTION FACILITY |
| Material | ALUMINUM ALLOY SINGLE TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 2 UNTHREADED STUD SECOND FLANGE THIRD CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 2 UNTHREADED HOLE(S) FIRST FLANGE FIRST CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 2 UNTHREADED HOLE(S) SECOND FLANGE FIRST CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 2 UNTHREADED STUD FIRST FLANGE THIRD CONNECTION FACILITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 750-112-4 | 3dbm Co Inc Waveguide Group (USA) |
| TDR14785-2 | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| 125486-4 | 5/9 Secondary reference U.S. Government activity |
| 4245416-008 | 3/9 Design control — primary reference Ail Systems Inc Sub of Eaton Corp |
NSN 5985-01-332-2243 is a Waveguide Assembly, manufactured by 3dbm Co Inc Waveguide Group, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-332-2243 has 2 manufacturer part numbers on file: 750-112-4 (3dbm Co Inc Waveguide Group), TDR14785-2 (Microwave Engineering Corporation).
Key specifications for 750-112-4: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIP.; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.318 INCHES MINIMUM AND 0.324 INCHES MAXIMUM ALL FLANGES IN; Flange Quantity: 2. 29 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 5985-01-332-2243 has DEMIL Code C. 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.