The Waveguide Assembly, cataloged under National Stock Number 5985-00-203-5875, 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 Div Space & Airborne Systems. Government technical data includes 27 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 | 5985-00-203-5875 |
| Primary Part Number | 132161-1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 1.502 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.06 |
| Bend Angle in Deg | 45.0 SINGLE BEND E-PLANE |
| Style Designator | BEND TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 2.840 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 5.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 2.344 INCHES NOMINAL ALL FLANGES IN |
| Flange Inside Width | 3.002 INCHES NOMINAL ALL FLANGES IN |
| Thread Direction | RIGHT-HAND ALL FLANGES SINGLE CONNECTION FACILITY |
| Nominal Thread Size | 0.164 INCHES ALL FLANGES SINGLE CONNECTION FACILITY IN |
| Waveguide Outside Height | 1.500 INCHES NOMINAL IN |
| Waveguide Outside Width | 3.000 INCHES NOMINAL IN |
| Flange Depth | 0.750 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 3.844 INCHES NOMINAL ALL FLANGES IN |
| Surface Treatment | OXIDE FILM ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES |
| Surface Treatment | PAINT ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Waveguide Inside Height | 1.340 INCHES NOMINAL IN |
| Thread Class | 2B ALL FLANGES SINGLE CONNECTION FACILITY |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 10 THREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL FLANGES SINGLE CONNECTION FACILITY |
| Flange Style | CONTACT TYPE ALL FLANGES |
| Waveguide Longer Offset Distance | 10.590 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-00-203-5875 is a Waveguide Assembly, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-203-5875 has 2 manufacturer part numbers on file: 225913 (Microtech Inc Dba Microtech Inc), 132161-1 (L3harris Technologies, Inc Div Space & Airborne Systems).
Key specifications for 132161-1: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 1.502 INCHES NOMINAL SINGLE FLANGE IN; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.06. 27 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 5985-00-203-5875 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.