The Waveguide Assembly, cataloged under National Stock Number 5985-00-436-2640, 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 Interstate Electronics Corporation. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | L3harris Interstate Electronics Corporation (CAGE 07421) |
| Parameter | Value |
|---|---|
| NSN | 5985-00-436-2640 |
| Primary Part Number | 43-0052 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Interstate Electronics Corporation |
| Status | ACTIVE |
| Flange Inside Height | 0.500 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Quantity | 1 |
| Flange Inside Width | 1.125 INCHES NOMINAL SINGLE FLANGE IN |
| Material | ALUMINUM SINGLE TUBING SEGMENT |
| Material | ALUMINUM ALLOY 6061 SINGLE FLANGE |
| Flange Outside Diameter | 4.125 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Style | COVER TYPE SINGLE FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 43-0052 PRIMARY | L3harris Interstate Electronics Corporation (USA) |
NSN 5985-00-436-2640 is a Waveguide Assembly, manufactured by L3harris Interstate Electronics Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-436-2640 has 1 manufacturer part number on file: 43-0052 (L3harris Interstate Electronics Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 5910-01-382-7886, 6640-01-549-2852, 5340-01-615-2145. Verify interchangeability with system specifications before substitution.
Key specifications for 43-0052: Flange Inside Height: 0.500 INCHES NOMINAL SINGLE FLANGE IN; Flange Quantity: 1; Flange Inside Width: 1.125 INCHES NOMINAL SINGLE FLANGE IN; Material: ALUMINUM SINGLE TUBING SEGMENT. 7 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.
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.