The Waveguide Assembly, cataloged under National Stock Number 5985-01-013-4562, 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 Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-013-4562 |
| Primary Part Number | 62BH859 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc |
| Status | ACTIVE |
| Flange Inside Height | 0.311 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Height | 0.394 INCHES NOMINAL SECOND FLANGE IN |
| Flange Quantity | 2 |
| Precious Material | RHODIUM OR SILVER |
| Bend Angle in Deg | 120.0 ALL BENDS H-PLANE |
| Style Designator | BEND TYPE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Flange Inside Diameter | 1.000 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Height | 1.313 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.144 INCHES NOMINAL SECOND FLANGE ALL CONNECTION FACILITIES IN |
| Flange Connecting Hole Diameter | 0.138 INCHES NOMINAL FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.622 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Width | 0.705 INCHES NOMINAL SECOND FLANGE IN |
| Nominal Thread Size | 0.138 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Flange Depth | 0.313 INCHES NOMINAL SECOND FLANGE IN |
| Flange Depth | 0.375 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 1.313 INCHES NOMINAL ALL FLANGES IN |
| Surface Treatment | RHODIUM OR SILVER ALL TUBING SEGMENT ALL SURFACES |
| Precious Material and Location | ALL SURFACES TUBING RHODIUM OR ALL SURFACES TUBING SILVER |
| Thread Quantity Per Inch | 32 FIRST FLANGE ALL CONNECTION FACILITIES |
| Material | COPPER ALLOY ALL FLANGE |
| Material | COPPER ALL TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Style | CHOKE TYPE FIRST FLANGE |
| Flange Style | COVER TYPE SECOND FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 62BH859 | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 5339-046302 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-013-4562 is a Waveguide Assembly, manufactured by Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-013-4562 has 1 manufacturer part number on file: 62BH859 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc).
Key specifications for 62BH859: Flange Inside Height: 0.311 INCHES NOMINAL FIRST FLANGE IN; Flange Inside Height: 0.394 INCHES NOMINAL SECOND FLANGE IN; Flange Quantity: 2; Precious Material: RHODIUM OR SILVER. 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 5985-01-013-4562 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.