The Waveguide Assembly, cataloged under National Stock Number 5985-00-203-5867, 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 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-203-5867 |
| Primary Part Number | 132124-1 |
| 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 | 1.388 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.10 |
| Criticality Code Justification | FEAT |
| Style Designator | OFFSET BEND TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 2.838 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 3.000 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.263 INCHES NOMINAL ALL FLANGES SINGLE CONNECTION FACILITY IN |
| Waveguide Center to Center Distance | 2.000 INCHES NOMINAL IN |
| Flange Inside Width | 2.838 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Length | 24.000 INCHES NOMINAL IN |
| Waveguide Outside Height | 3.000 INCHES NOMINAL IN |
| Waveguide Outside Width | 4.500 INCHES NOMINAL IN |
| Flange Depth | 0.500 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 4.500 INCHES NOMINAL ALL FLANGES IN |
| Surface Treatment | PAINT SINGLE TUBING SEGMENT OUTSIDE SURFACES |
| Waveguide Inside Height | 1.338 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 10 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Flange Style | CONTACT TYPE ALL FLANGES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 225568 | Microtech Inc Dba Microtech Inc (USA) |
| 132124-1 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| Reference | Meaning |
|---|---|
| 122526 | 5/9 Secondary reference U.S. Government activity |
| 132124-1 | 5/9 Secondary reference Astro Microwave Inc |
NSN 5985-00-203-5867 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 5985-00-203-5867 has 2 manufacturer part numbers on file: 225568 (Microtech Inc Dba Microtech Inc), 132124-1 (L3harris Technologies, Inc Div Space & Airborne Systems).
1 possible match (shared part number, not a government interchangeability claim): 1560-00-771-5682. Verify interchangeability with system specifications before substitution.
Key specifications for 132124-1: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 1.388 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.10. 23 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 5985-00-203-5867 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.