The Waveguide Assembly, cataloged under National Stock Number 5985-00-180-4667, 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 The Boeing Company Div Defense. Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-180-4667 |
| Primary Part Number | 32-87850-89 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.319 INCHES MINIMUM AND 0.323 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.20 |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 1.490 INCHES NOMINAL IN |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.358 INCHES MINIMUM AND 1.390 INCHES MAXIMUM ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.096 INCHES NOMINAL FIRST FLANGE SECOND CONNECTION FACILITY IN |
| Flange Connecting Hole Diameter | 0.143 INCHES MINIMUM AND 0.149 INCHES MAXIMUM FIRST FLANGE FIRST CONNECTION FACILITY IN |
| Flange Inside Width | 0.688 INCHES MINIMUM AND 0.693 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Outside Height | 0.421 INCHES NOMINAL IN |
| Waveguide Outside Width | 0.791 INCHES NOMINAL IN |
| Flange Depth | 0.235 INCHES MINIMUM AND 0.255 INCHES MAXIMUM ALL FLANGES IN |
| Flange Outside Width | 1.358 INCHES MINIMUM AND 1.390 INCHES MAXIMUM ALL FLANGES IN |
| Tubing Twist Type | STRAIGHT TWIST SINGLE TUBING SEGMENT |
| Tubing Twist Angle in Deg | 90.0 SINGLE TUBING SEGMENT |
| Insertion Loss in Decibels | 0.25 |
| Surface Treatment | ENAMEL ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Waveguide Inside Height | 0.688 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY ALL FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) FIRST FLANGE FIRST CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 2 UNTHREADED HOLE(S) FIRST FLANGE SECOND CONNECTION FACILITY |
| Flange Style | CONTACT, DOUBLE RIDGE TYPE ALL FLANGES |
| Waveguide Longer Offset Distance | 15.650 INCHES NOMINAL IN |
| 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 |
|---|---|
| 32-87850-89 PRIMARY | The Boeing Company Div Defense (USA) |
| TDR14210 | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| 32-87850-47 | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 5985-00-180-4667 is a Waveguide Assembly, manufactured by The Boeing Company Div Defense, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-180-4667 has 2 manufacturer part numbers on file: 32-87850-89 (The Boeing Company Div Defense), TDR14210 (Microwave Engineering Corporation).
Key specifications for 32-87850-89: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.319 INCHES MINIMUM AND 0.323 INCHES MAXIMUM ALL FLANGES IN; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.20. 26 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 5985-00-180-4667 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.