The Waveguide Assembly, cataloged under National Stock Number 5985-01-396-9760, 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 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-396-9760 |
| Primary Part Number | 90BE18-2E-30P |
| 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 |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Quantity | 2 |
| Bend Angle in Deg | 90.0 SINGLE BEND E-PLANE |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 1.560 INCHES NOMINAL IN |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Operating Pressure | 30.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Surface Treatment | CHROMATE AND PAINT SINGLE TUBING SEGMENT ALL SURFACES |
| Material | ALUMINUM ALLOY SINGLE TUBING SEGMENT |
| Material | ALUMINUM ALLOY ALL FLANGE |
| Waveguide Longer Offset Distance | 0.750 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 |
| Part Number | Manufacturer |
|---|---|
| 90BE18-2E-30P PRIMARY | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
NSN 5985-01-396-9760 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 5985-01-396-9760 has 1 manufacturer part number on file: 90BE18-2E-30P (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc).
Key specifications for 90BE18-2E-30P: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Quantity: 2; Bend Angle in Deg: 90.0 SINGLE BEND E-PLANE; Style Designator: BEND TYPE. 11 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 5985-01-396-9760 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.