The Adapter,waveguide, cataloged under National Stock Number 5985-00-927-5382, 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 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-927-5382 |
| Primary Part Number | X40-3BM |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Quantity | 1 |
| Voltage Standing Wave Ratio | 1.15 |
| Adapter Overall Width | 1.640 INCHES MAXIMUM IN |
| Style Designator | WAVEGUIDE TO COAXIAL |
| Waveguide Inside Width | 0.510 INCHES NOMINAL IN |
| Connector End Design | FEMALE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 30.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Adapter Overall Height | 1.430 INCHES MAXIMUM IN |
| Adapter Length | 1.350 INCHES MAXIMUM IN |
| Waveguide Outside Height | 0.500 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.000 INCHES NOMINAL IN |
| Insertion Loss in Decibels | 0.10 |
| Waveguide Inside Height | 0.400 INCHES NOMINAL IN |
| Adapter Height | 1.640 INCHES MAXIMUM IN |
| Material | COPPER SINGLE TUBING SEGMENT |
| Flange Style | CHOKE TYPE SINGLE FLANGE |
| Coaxial Connector Series Designation | BNC |
| 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 |
|---|---|
| X40-3BM | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| 7011-0510-3 | 5/9 Secondary reference Drs Icas, Llc |
| SC5985-0033-1 | 3/9 Design control — primary reference Drs Icas, Llc |
NSN 5985-00-927-5382 is a Adapter,waveguide, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-927-5382 has 1 manufacturer part number on file: X40-3BM (Microwave Engineering Corporation).
Key specifications for X40-3BM: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Quantity: 1; Voltage Standing Wave Ratio: 1.15. 20 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 5985-00-927-5382 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.