The Waveguide Assembly, cataloged under National Stock Number 5985-01-168-3243, 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 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 30 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-168-3243 |
| Primary Part Number | 418466-1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 1.500 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Height | 7.680 INCHES NOMINAL IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.05 |
| Waveguide Leg Length | 4.430 INCHES NOMINAL IN |
| Bend Angle in Deg | 90.0 ALL BENDS E-PLANE |
| Style Designator | U-BEND TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 2.840 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 2.344 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.173 INCHES NOMINAL ALL FLANGES SECOND CONNECTION FACILITY IN |
| Waveguide Center to Center Distance | 4.500 INCHES NOMINAL IN |
| Flange Inside Width | 3.000 INCHES NOMINAL ALL FLANGES IN |
| Thread Direction | RIGHT-HAND ALL FLANGES FIRST CONNECTION FACILITY |
| Nominal Thread Size | 0.164 INCHES ALL FLANGES FIRST CONNECTION FACILITY IN |
| Waveguide Outside Height | 1.500 INCHES NOMINAL IN |
| Waveguide Outside Width | 3.000 INCHES NOMINAL IN |
| Flange Depth | 0.350 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 3.844 INCHES NOMINAL ALL FLANGES IN |
| Insertion Loss in Decibels | 0.15 |
| Surface Treatment | ENAMEL OR SILVER ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Waveguide Inside Height | 1.340 INCHES NOMINAL IN |
| Waveguide Longer Leg Length | 4.680 INCHES NOMINAL IN |
| Thread Class | 2B ALL FLANGES FIRST CONNECTION FACILITY |
| Thread Quantity Per Inch | 32 ALL FLANGES FIRST CONNECTION FACILITY |
| Material | COPPER ALLOY ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 6 THREADED HOLE(S) ALL FLANGES FIRST CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 6 UNTHREADED HOLE(S) ALL FLANGES SECOND CONNECTION FACILITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-168-3243 is a Waveguide Assembly, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-168-3243 has 2 manufacturer part numbers on file: 418466-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), 418466-1 (Microwave Engineering Corporation).
Key specifications for 418466-1: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 1.500 INCHES NOMINAL ALL FLANGES IN; Waveguide Height: 7.680 INCHES NOMINAL IN; Flange Quantity: 2. 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 5985-01-168-3243 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.