The Coupler,directional, cataloged under National Stock Number 5985-00-003-9150, 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 Centroid, Inc. Dba Centroid Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-003-9150 |
| Primary Part Number | A51A9052A |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Centroid, Inc. Dba Centroid Inc |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS, WAVEGUIDES, AND RELATED EQUIPMENT |
| Terminal Fitting Controlling Agency | GRUMMAN AEROSPACE CORP |
| Usage Design | MAIN LINE TERMINAL FITTING |
| Design Type | UNIDIRECTIONAL |
| Unit Type | COAXIAL LINE |
| 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 |
|---|---|
| A51A9052A | Centroid, Inc. Dba Centroid Inc (USA) |
| A51A9052-19 | Northrop Grumman Systems Corporation (USA) |
| HDS-596 | Technical Research and Manufacturing, Inc. (USA) |
| Reference | Meaning |
|---|---|
| A51A9052-9 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 76119G2 | 5/9 Secondary reference Modern Technology Inc |
| 76118 | 3/2 Design control — primary reference U.S. Government activity |
| 76119G2 | 3/2 Design control — primary reference U.S. Government activity |
| A51A9052-19 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| CU2034A | 5/2 Secondary reference U.S. Government activity |
| A51A9052-19 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5985-00-003-9150 is a Coupler,directional, manufactured by Centroid, Inc. Dba Centroid Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-003-9150 has 3 manufacturer part numbers on file: A51A9052A (Centroid, Inc. Dba Centroid Inc), A51A9052-19 (Northrop Grumman Systems Corporation), HDS-596 (Technical Research and Manufacturing, Inc.).
Key specifications for A51A9052A: Overall Height: 1.250 INCHES NOMINAL IN; FSC Application Data: ANTENNAS, WAVEGUIDES, AND RELATED EQUIPMENT; Terminal Fitting Controlling Agency: GRUMMAN AEROSPACE CORP; Usage Design: MAIN LINE TERMINAL FITTING. 5 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 5985-00-003-9150 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.