The Adapter,waveguide, cataloged under National Stock Number 5985-01-368-8950, 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 29 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-368-8950 |
| Primary Part Number | 112LT16-53 |
| Item Name | Adapter,waveguide |
| 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 Inside Height | 0.497 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Quantity | 1 |
| Voltage Standing Wave Ratio | 1.30 |
| Adapter Overall Width | 1.875 INCHES NOMINAL IN |
| Style Designator | WAVEGUIDE TO COAXIAL |
| Waveguide Inside Width | 1.122 INCHES NOMINAL IN |
| Connector End Design | FEMALE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.875 INCHES NOMINAL SINGLE FLANGE IN |
| Adapter Overall Height | 2.437 INCHES NOMINAL IN |
| Adapter Length | 0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN |
| Flange Inside Width | 1.122 INCHES NOMINAL SINGLE FLANGE IN |
| Thread Direction | RIGHT-HAND SINGLE FLANGE ALL CONNECTION FACILITIES |
| Nominal Thread Size | 0.164 INCHES SINGLE FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Outside Height | 0.625 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.250 INCHES NOMINAL IN |
| Flange Depth | 0.625 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Width | 1.875 INCHES NOMINAL SINGLE FLANGE IN |
| Insertion Loss in Decibels | 0.05 |
| Surface Treatment | PAINT SINGLE TUBING SEGMENT ALL SURFACES |
| Waveguide Inside Height | 0.497 INCHES NOMINAL IN |
| Adapter Height | 1.875 INCHES NOMINAL IN |
| Thread Class | 2B SINGLE FLANGE ALL CONNECTION FACILITIES |
| Material | ALUMINUM ALLOY SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE FLANGE ALL CONNECTION FACILITIES |
| Flange Style | COVER TYPE SINGLE FLANGE |
| Coaxial Connector Series Designation | SMA |
| 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 |
|---|---|
| 112LT16-53 PRIMARY | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
| 1206586 | Lockheed Martin Corporation Div Rms (USA) |
| 5829380 | Omega Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 5829380 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 112LT19 | 5/1 Secondary reference Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc |
| 1206586 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 5829380 | 5/9 Secondary reference Atlantic Microwave Corporation Div Cobham Electronic Systems |
NSN 5985-01-368-8950 is a Adapter,waveguide, manufactured by Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-368-8950 has 3 manufacturer part numbers on file: 112LT16-53 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc), 1206586 (Lockheed Martin Corporation Div Rms), 5829380 (Omega Laboratories Inc).
Key specifications for 112LT16-53: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.497 INCHES NOMINAL SINGLE FLANGE IN; Flange Quantity: 1; Voltage Standing Wave Ratio: 1.30. 29 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.