The Adapter,waveguide, cataloged under National Stock Number 5985-01-339-9111, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-339-9111 |
| Primary Part Number | 1324AS305-5 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIP. |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.425 INCHES MINIMUM AND 0.429 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Quantity | 1 |
| Voltage Standing Wave Ratio | 1.30 |
| Adapter Overall Width | 1.360 INCHES MINIMUM AND 1.390 INCHES MAXIMUM IN |
| Style Designator | WAVEGUIDE TO COAXIAL |
| Waveguide Inside Width | 0.689 INCHES MINIMUM AND 0.694 INCHES MAXIMUM IN |
| Connector End Design | MALE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR DOUBLE INDENTED |
| Flange Outside Height | 1.360 INCHES MINIMUM AND 1.390 INCHES MAXIMUM SINGLE FLANGE IN |
| Adapter Overall Height | 2.040 INCHES MAXIMUM IN |
| Adapter Length | 1.340 INCHES MAXIMUM IN |
| Flange Connecting Hole Diameter | 0.095 INCHES MINIMUM AND 0.096 INCHES MAXIMUM SINGLE FLANGE SECOND CONNECTION FACILITY IN |
| Flange Connecting Hole Diameter | 0.114 INCHES MINIMUM AND 0.118 INCHES MAXIMUM SINGLE FLANGE FIRST CONNECTION FACILITY IN |
| Flange Inside Width | 0.795 INCHES MINIMUM AND 0.799 INCHES MAXIMUM SINGLE FLANGE IN |
| Waveguide Outside Height | 0.418 INCHES MINIMUM AND 0.424 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.789 INCHES MINIMUM AND 0.794 INCHES MAXIMUM IN |
| Flange Depth | 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Outside Width | 1.360 INCHES MINIMUM AND 1.390 INCHES MAXIMUM SINGLE FLANGE IN |
| Insertion Loss in Decibels | 0.30 |
| Surface Treatment | PAINT SINGLE TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Surface Treatment | CHROMATE SINGLE TUBING SEGMENT AND FLANGE INSIDE SURFACES |
| Waveguide Inside Height | 0.318 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| Adapter Height | 1.360 INCHES MINIMUM AND 1.390 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY SINGLE TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SINGLE FLANGE FIRST CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 2 UNTHREADED HOLE(S) SINGLE FLANGE SECOND CONNECTION FACILITY |
| Flange Style | CONTACT, DOUBLE RIDGE TYPE SINGLE FLANGE |
| Coaxial Connector Series Designation | N |
| 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 |
|---|---|
| 1324AS305-5 | Keysight Technologies, Inc. (USA) |
| 1324AS305-5 | Cinch Connectivity Solutions Inc (USA) |
| 1324AS305-5 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 1324AS305-5 | Maury Microwave, Inc. Dba Maury Microwave (USA) |
| 1324AS305-5 | Microtech Inc Dba Microtech Inc (USA) |
| Reference | Meaning |
|---|---|
| 1324AS305-5 | 5/9 Secondary reference U.S. Government activity |
| 1324AS305-5 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-339-9111 is a Adapter,waveguide, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-339-9111 has 5 manufacturer part numbers on file: 1324AS305-5 (Keysight Technologies, Inc.), 1324AS305-5 (Cinch Connectivity Solutions Inc), 1324AS305-5 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1324AS305-5 (Maury Microwave, Inc. Dba Maury Microwave), 1324AS305-5 (Microtech Inc Dba Microtech Inc).
Key specifications for 1324AS305-5: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIP.; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.425 INCHES MINIMUM AND 0.429 INCHES MAXIMUM SINGLE FLANGE IN; Flange Quantity: 1. 30 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 5985-01-339-9111 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.