The Adapter,waveguide, cataloged under National Stock Number 5985-01-282-2080, 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 Engineering Corporation. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-282-2080 |
| Primary Part Number | R40-378 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Flange Quantity | 1 |
| Style Designator | WAVEGUIDE TO COAXIAL |
| Connector End Design | FEMALE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR |
| Adapter Length | 1.300 INCHES MAXIMUM IN |
| Surface Treatment | PAINT SINGLE TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Material | ALUMINUM ALLOY 6061 SINGLE TUBING SEGMENT AND FLANGE |
| Coaxial Connector Series Designation | TNC |
| 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 |
|---|---|
| R40-378 PRIMARY | Microwave Engineering Corporation (USA) |
| DCA750-A2TF-C0 | Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp (USA) |
| Reference | Meaning |
|---|---|
| 10134355 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5985-01-282-2080 is a Adapter,waveguide, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-282-2080 has 2 manufacturer part numbers on file: R40-378 (Microwave Engineering Corporation), DCA750-A2TF-C0 (Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp).
Key specifications for R40-378: Flange Quantity: 1; Style Designator: WAVEGUIDE TO COAXIAL; Connector End Design: FEMALE; Cross-Sectional Shape Style: INTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR. 8 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 5985-01-282-2080 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.